Quick filters:
Page 1 of 6
Epigynum Stock Photos and Images
RF2CW9HKF–Ventral View of Orb Weaver Spider (Araneus sp.) - Blue Ridge Parkway, near Asheville, North Carolina, USA
RMC6Y54G–A close-up on a female cross-spider (Arenatus diadematus). Épeire diadème (Araneus diadematus) femelle en gros plan.
RM2KPANPY–Two members of the Stegodyphus family are unusual in the spider world as they are social and live and hunt in cooperation.
RME6RWXD–Spider, U, underside, Patuxent, MD 2012-10-05-1245 8057226411 o Spider, Prince George's County, Experimental shot in a cuvette in hand sanitizer, this is the underside of the previous specimen...but Ben was able to eliminate more bubbles by carefully pour
RM2AWTGJD–Smithsonian miscellaneous collections . aspect, diagrammatic, genus Agelen-opsis. 54, Epigynum andcopulatory structures of female, ectal aspect, diagrammatic, genus Agelcnopsis.55, Maximum initial insertion of embolus into bursa, ventral aspect, diagram-matic. Embolus stippled. 56, Maximum total insertion of embolus into bursa,ventral aspect, diagrammatic, genus Agelcnopsis. Embolus stippled. 57, Epi-gynum, ventral aspect, Chiracanthium inclusum Hentz (Clubionidae). 58, Palpus,left, ectal aspect, C. inclusum. 59, Coupling initiated, diagrammatic, C. inclusum.Female structure stippled. 60, Coup
RMPFXYA0–. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. WOOING AND MATING. 39 back and feet; fourth, the male palpal bulbs are applied many times to the epigynum; fifth, the embrace ceases, the female remains stationary in the same place, the male wanders about, makes a straggling web and ^^i™^'^^catches flies; sixth, the male comes before the female, touches her feet, and remains vis-a-vis; seventh, the female makes a tube and enters it; eighth, the male penetrates the tube; ninth,
RM2AWTG91–Smithsonian miscellaneous collections . i Simon. 64, Epigynum andcopulatory structure, ventral aspect, Agelcnopsis utahana (Chamberlin and Ivie).65, Coupling cavity, cross section, schematic, A. utahana. 66, Epig>num andcopulatory structure, ventral aspect, Agelenopsis pennsylvanica (C. Koch). 67,Copulatory structure, dorsal aspect, A. pennsylvanica. 68, Epigynum and copula-tory structure, ventral aspect, Agelenopsis Oklahoma (Gertsch). 69, Copulatorystructure, dorsal aspect, A. Oklahoma. 70, Epigynum and copulatory structure,ventral aspect, Agelenopsis longistylus (Banks). 71, Epigynum and
![. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. 4».„,. '5:--.. Sii*l^ lAjcosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivak, dorsal markings. 14. " " epigynum. 15. " " undeveloped epigynum. 16. " " male palpus. 17. Pardosa glacialis, epigynum. 18. XysHcus bimaculalus. 19. " i' male palpus. 20. " " epigynun.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of Stock Photo](https://c8.alamy.com/comp/PG3CC8/report-of-the-canadian-arctic-expedition-1913-18-scientific-expeditions-4-5-siil-lajcosa-asivak-bernard-harbour-northwest-territories-july-9-1915-explanation-of-plate-ii-fig-13-lycosa-asivak-dorsal-markings-14-quot-quot-epigynum-15-quot-quot-undeveloped-epigynum-16-quot-quot-male-palpus-17-pardosa-glacialis-epigynum-18-xyshcus-bimaculalus-19-quot-i-male-palpus-20-quot-quot-epigynun-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-PG3CC8.jpg ". Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. 4».„,. '5:--.. Sii*l^ lAjcosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivak, dorsal markings. 14. " " epigynum. 15. " " undeveloped epigynum. 16. " " male palpus. 17. Pardosa glacialis, epigynum. 18. XysHcus bimaculalus. 19. " i' male palpus. 20. " " epigynun.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of Stock Photo")
RMPG3CC8–. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. 4».„,. '5:--.. Sii*l^ lAjcosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivak, dorsal markings. 14. " " epigynum. 15. " " undeveloped epigynum. 16. " " male palpus. 17. Pardosa glacialis, epigynum. 18. XysHcus bimaculalus. 19. " i' male palpus. 20. " " epigynun.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
RM2AJG7HW–Transactions of the Connecticut Academy of Arts and Sciences . rsal view offemale, xH; 216—b, palpus of male; c, epigynum ; after Marx. abdomen dark gray or pale gray, thickly specked and blotched withblack, the black often predominant; legs yellowish brown, or light A. E. Verrill—The Bermuda Islands. 83 Y gray, broadly banded with black; the black often prevails, so thatthey appear black with narrow whitish bands. Young ones are palewith narrow black bands on the legs. One adult female is tawnybrown on the thorax, with a pair of lateral crescent-shaped spots ofyellowish on the sides, besides
RM2AJG6HE–Transactions of the Connecticut Academy of Arts and Sciences . Figure 222.—Tapinattus melanognathus; a, dorsal view of body of male,xSyi; h, c, palpi of male; after Marx. Figure 223.—Plexippus Paykulli;a, dorsal view of female, x 2 ; 6, male palpus; c, epigynum ; after Marx. Plexippus Paykulli Aud. and ^?Lg.=3fene)nerus diversus Black.;Large Jumping Spider. Figures 223, a, h, c. Cephalothorax of male dark brown or blackish, with a medianstreak of dull reddish brown or tawny, not reaching forward to theeyes; abdomen mottled with dark brown and gray; legs darktawny brown, covered with conspicu
RM2CDJKGX–. Insects . Spiders 9h Plate III. •^%^ Vl^ <*•- Lycosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivnk, dorsal markings. 14. epigynum. 15. undeveloped epigynum. 16. male palpus. 17. Pardosa glacialis, epigynum. 18. Xysticus bimaculatus. 19. male palpus. 20. epigynun. The Acarina collected by the Canadian Arctic Expedition, 1913-18. By Nathan Banks. The Acarina collected by the Canadian Arctic Expedition, 1913-16, includeseventeen species, all but one previously known, and recorded from other arcticand subarctic localities, some f
RM2CDJMDD–. Insects . ends in a blunt tooth on the inner side. The tube isshort and twisted and turned away from the bulb, and under it is a smallsharp point. The epigynum has a simple oval opening. Localities: A male and female, in grass, Bernard harbour, NorthwestTerritories, August 25, 1915, and one immature female. Bluffs at lake at Kon-ganevik, Camden bay, Alaska, June 27, 1914, young male and female. Foundalso in the Rocky mountains at Laggan, Alta., and on mount Lincoln, Colorado,at 11,000 feet. Canadian Spiders, Conn. Acad. 1894. Explanation of Plate I. Fig. 1. Erignne arctica, palpu.s. 2. Tijph
RMRGF4B6–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. External Anatomy of Micrathena Figures 9-13, M. eatenulata Fig. 9. Dorsal view of body. Fig. 10. Posterior spine and cusp; lateral view from right side. Figs. 11-13. Epigynum from below, in posterior view, and in profile from right side, respectively. that immature specimens have a short cusp below each posterior dorsal spine. I have found that this also sometimes occurs in mature females (Fig. 10). The head portion of the carapace is only moderately raised. The sternum is not notably produced. Please note that these
RMREEYH6–. The common spiders of the United States. Spiders. Figs. 236, 237. Two forms of epigynum of Tegenaria medicinalis.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Emerton, J. H. (James Henry), 1847-1930. Boston, London : Ginn & company
RMRG30H7–. The Canadian entomologist. Insects; Entomology. Fig. 23.—Chalcoscirliis carbonarius.—1. outline of female; 2, epigynum; 3, male palpus ' outer side; 4 male palpus, under side. slightly iridescent. The abdomen is longer than the cephalo- thorax. The cephalothorax is one-half longer than wide, with the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Entomological Society of Canada (1863-1871); Entomological Society of Cana
RMRGEWF6–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. predisposi tion to: ose tapetum ' a separate scler i te ose epigynum posterior unpaired median cecum {Palm^ren, 1 predisposition for: long chelicerae long endites P mod 1f1ed. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
RMREFJ6P–. The common spiders of the United States. Spiders. 182 THE COMMON SPIDERS and sometimes almost black at the sides, on the sternum, and around the spinnerets. The epigynum (fig. 422) has a slender pointed finger reaching halfway to the spinnerets. The male (fig. 423) has the head narrower than the female, and the abdomen as small as the cephalothorax. The legs are longer and more slender, with the metatarsus of the second pair curved inward, and a long forked spine on the inside of the tibia of the same legs. Larinia directa. — This resembles a much elongated Epcirapratensis (p. 167). It is ab
RMREFH98–. The common spiders of the United States. Spiders -- United States. 182 THE COMMON SPIDERS and sometimes almost black at the sides, on the sternum, and around the spinnerets. The epigynum (fig. 422) has a slender pointed finger reaching halfway to the spinnerets. The male (fig. 423) has the head narrower than the female, and the abdomen as small as the cephalothorax. The legs are longer and more slender, with the metatarsus of the second pair curved inward, and a long forked spine on the inside of the tibia of the same legs. Larinia directa. — This resembles a much elongated Epeirapratensis (
RMRHTY0X–. The Bermuda islands. An account of their scenery, climate, productions, physiography, natural history and geology, with sketches of their discovery and early history, and the changes in their flora and fauna due to man. Natural history. Figure 207.—Anyphoena VerrilU; epigynum. Figure 208.—Eiitichurus insulanus; epigynum. Figure 209.—Oonops Bermudensis; a, eyes; 6, epygynum ; c, hind leg. Drawn by Banks. The following is from Europe and North America:— Dysdera crocata Koch. Easily recognized by its orange-red or saffron-colored body. Common under stones. The following are found in the souther
RMREFJJR–. The common spiders of the United States. Spiders -- United States. THE LYCOSID^ 81 can best be understood from the figure. The epigynum varies, but distinguishes this species plainly from greenlandica (fig. 190), with which it is likely to be associated. The male palpi are large and black at the ends, the tarsus oval and pointed, and the tibia short and as thick as. Figs. 193, 194, 195, 196. Pardosa tachypoda. — 193, female enlarged four times. 194, ceph- alothorax and palpus of male. 195, epigy- num. 196, palpus of male. long. This spider has been found all over Canada and as far north as G
RMREFHJT–. The common spiders of the United States. Spiders -- United States. 343 light with dark mark- ings, as in nebulosa. The legs are light brownish yellow, with dark rings on the ends and middle of the femora and tibiae. The epigynum is folded twice, as in nebu- losa (fig. 343). The male palpi (fig. 344) have a general resemblance to those of nebulosa, but there are some distinct differences. The tarsal hook is very large and has a longer and narrower point than nebulosa. The tarsus has on the outer side near the base a conical point roughened with short ridges. This is more prominent in this spe
RMREFHRF–. The common spiders of the United States. Spiders. Amaurobius ferox. — This lives in houses and is probably an imported species, as it is more common in Europe. It grows a little larger than sylvestris (fig. 489), and the head is a little more narrowed in front of the legs. The colors and markings are much as in sylvestris, but the abdomen is often darker, and the middle light stripe on the front more distinct. The epigynum has a larger middle lobe, and the lateral lobes are straighter and do not meet in the middle. The males are colored like the females and have the thorax wider and the legs
RMRG30JP–. The Canadian entomologist. Insects; Entomology. 270 THE CANADIAN ENTOMOLOGIST side there are no definite markings, but the abdomen is usually lighter »n the middle and toward the front, and the posterior coxae are lighter than those in front. The male is darker than the females. The epigynum has a middle and two lateral pits in front, and a rounded lobe directed backward and fitting into a larger depression. (Fig. 21, 2.) The male palpus somewhat resembles that of P. montana, but the process of the tibia is smaller and the point less turned backward. (Fig. 21, 1.) This species is distinct fr
RMRGDGKK–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Alpaida • Levi 465. Figures 537-540. /. angra n. sp., female. 537, epigynum, ventral. 538, epigynum, posterior. 539, dorsal. 540, ventral. Scale lines. 1.0 mm; genitalia, 0.1 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
RMREEYY0–. The common spiders of the United States. Spiders. thp: attid^ 57. long as the cephalothorax and extend forward horizontally, the maxillae are longer, and the first pair of legs have the patella and tibia one and a half times as long as the femur. The female is longer in proportion to its width than in cestivalis and has the front legs stouter. The epigynum has two small anterior openings directed for- ward instead of toward each other, as in cBstivalis. This and the next species live on low bushes all summer. Icius mitratus. — This species closely resembles Icius palma- ritviy differing main
RMREFHEK–. The common spiders of the United States. Spiders -- United States. THE EPEIRID^E 163 yellow stripe on the sternum and yellow spots under the abdomen between the spinnerets and epigynum. Silvatica has the ster- num and under side of the abdomen brown, without any distinct markings. The male angulata has the thickened tibia of the second leg nearly as long as the tibia of the first leg. The male silvatica has the second tibia less thickened and a fourth shorter than the first tibia. The male angulata has a pair of long spines under the coxae of the second legs, but in silvatica these spines ar
RMRGDGMG–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Alpaida • Levi 463. Figures 515-518. A. costal n. sp., female. 515, epigynum, ventral. 516, epigynum, posterior. 517, dorsal. 518, ventral. Scale lines. 1.0 mm; genitalia, 0,1 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
RMRGEN7X–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 588 Bulletin Museum of Comparative Zoology, Vol. 150, No. 8. Map 12. Distribution of Micrathena funebris. rim. It has from two to eight soft projec- tions on the abdomen. If with two projec- tions, the third pair are present; the most hkely pairs to be lost are the first (the an- terolaterals) and the fourth (posteroven- trals). Some females have only a few black marks on the abdomen (Fig. 733), others are black, white and orange, resembling the colors of immature widow spiders Latrodectus (Fig. 734). The epigynum is
RMRG2YKA–. The Canadian entomologist. Entomology. 240 THE CAXADIAX ENTOMOLOGIST Graminonota spinimana 11. sp. In size, color and dorsal markings this species resembles closely Grtrn/- nionota pictilis, the common Grammonota in spruce trees all over eastern Canada, but is at once distinguished from it by the slightly thickened tibia of the first and second legs in both sexes. The epigynum is distinctly different from that of pictilis. (Fig. 3, e.) In the male the thickened first and second legs have two rows of stiff hairs on the under side of tibia and metatarsus, which are about twice as long and twic
RMREEY7K–. The common spiders of the United States. Spiders -- United States. THE ATT ID/E 57. long as the cephalothorax and extend forward horizontally, the maxillae are longer, and the first pair of legs have the patella and tibia one and a half times as long as the femur. The female is longer in proportion to its width than in cestivalis and has the front legs stouter. The epigynum has two small anterior openings directed for- ward instead of toward each other, as in cestivalis. This and the next species live on low bushes all summer. Icius mitratus. — This species closely resembles Icius palma- run
RMREFJP4–. The common spiders of the United States. Spiders. light with dark mark- ings, as in nebulosa. The legs are light brownish yellow, with dark rings on the ends and middle of the femora and tibiae. The epigynum is folded twice, as in nebu- losa (fig. 343). The male palpi (fig. 344) have a general resemblance to those of nebulosa, but there are some distinct differences. The tarsal hook is very large and has a longer and narrower point than nebulosa. The tarsus has on the outer side near the base a conical point roughened with short ridges. This is more prominent in this species than in nebulosa
RMREEYNR–. The common spiders of the United States. Spiders. THE LYCOSID/E 8i can best be understood from the figure. The epigynum varies, but distinguishes this species plainly ixovcv greenlandica (fig. 190), with which it is likely to be associated. The male palpi are large and black at the ends, the tarsus oval and pointed, and the tibia short and as thick as. Figs. 193, 194, 195, 196. Pardosa tachypoda. — 193, female enlarged four times. 194, ceph- alothorax and palpus of male. 195, epigy- num. 196, palpus of male. long. This spider has been found all over Canada and as far north as Green is common
RMREEYNE–. The common spiders of the United States. Spiders. THE COMMON SPIDERS the cephalothorax and abdomen are less distinct and more broken and irregular. The epigynum (fig. 195) has a character- istic shape different from any of the allied species, the two anterior depressions being wide apart and the middle ridge narrow and rounded at the end. The male palpi (fig. 196) are rather slender, as in lapidicina, and uniformly colored, and all the differences between the sexes are less strongly marked than in Jiigropalpis and albo- patella. Pardosa pallida. — One-fifth of an inch long and brightly mar
RMREFJPA–. The common spiders of the United States. Spiders. THE LINYPHIAD^ 145. light with dark mark- ings, as in nebulosa. The legs are light brownish yellow, with dark rings on the ends and middle of the femora and tibiae. The epigynum is folded twice, as in nebu- losa (fig. 343). The male palpi (fig. 344) have a general resemblance to those of nebulosa, but there are some distinct differences. The tarsal hook is very large and has a longer and narrower point than nebulosa. The tarsus has on the outer side near the base a conical point roughened with short ridges. This is more prominent in this spec
RMRGF4B3–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 510 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY same regions; other observed features appear to be typical of the genus. Epigynum. This organ illustrates well the difficulties involved in recording the specific epigynal features in the numerous species of Eustala and in making these distinctions clear to other workers. Here the apertures are about two diameters apart; the central part of the base exhibits a characteristic shape best shown by a figure; the scape is of moderate length and springs quite abruptly from the ba
RMREFF3D–. The common spiders of the United States. Spiders -- United States. THE CINIFLONID^, OR CRIBELLATA 215. Amaurobius ferox.—This lives in houses and is probably an imported species, as it is more common in Europe. It grows a little larger than sylvcstris (fig. 489), and the head is a little more narrowed in front of the legs. The colors and markings are much as in sylvestris, but the abdomen is often darker, and the middle light stripe on the front more distinct. The epigynum has a larger middle lobe, and the lateral lobes are straighter and do not meet in the middle. The males are colored like
RMREFF39–. The common spiders of the United States. Spiders -- United States. Amaurobius ferox.—This lives in houses and is probably an imported species, as it is more common in Europe. It grows a little larger than sylvcstris (fig. 489), and the head is a little more narrowed in front of the legs. The colors and markings are much as in sylvestris, but the abdomen is often darker, and the middle light stripe on the front more distinct. The epigynum has a larger middle lobe, and the lateral lobes are straighter and do not meet in the middle. The males are colored like the females and have the thorax wid
RMREFHJM–. The common spiders of the United States. Spiders -- United States. 343 light with dark mark- ings, as in nebulosa. The legs are light brownish yellow, with dark rings on the ends and middle of the femora and tibiae. The epigynum is folded twice, as in nebu- losa (fig. 343). The male palpi (fig. 344) have a general resemblance to those of nebulosa, but there are some distinct differences. The tarsal hook is very large and has a longer and narrower point than nebulosa. The tarsus has on the outer side near the base a conical point roughened with short ridges. This is more prominent in this spe
RMREFJJB–. The common spiders of the United States. Spiders -- United States. 82 THE COMMON SPIDERS the cephalothorax and abdomen are less distinct and more broken and irregular. The epigynum (fig. 195) has a character- istic shape different from any of the allied species, the two anterior depressions being wide apart and the middle ridge narrow and rounded at the end. The male palpi (fig. 196) are rather slender, as in lapidicina, and uniformly colored, and all the differences between the sexes are less strongly marked than in nigropalpis and a/do- patella. Pardosa pallida. — One-fifth of an inch lo
RMREEYG8–. The common spiders of the United States. Spiders. THE AGALENID^ 105 and narrow, and the palpal organ large and complicated, with a long fine tube that extends from the base along the outer side and back to the hard appendages in the middle. The epigynum (fig. 247) has a small, transverse, oval opening at the hinder end, in front of which the coils of long tubes can be seen through the skin. In New England Agalenidre PI. VII, fig. 2 is the epigynum of this species and not of Ccslotcs longitarsiis. Hahnia bimaculata. —The Hahnias resemble Tegenaria, but are much smaller and have the spinnerets
RMREEDK8–. The common spiders of the United States. Spiders. 70 THE COMMON SPIDERS the edge are faintly lighter than the rest. The abdomen has a pointed middle stripe, dark at the edges, extending back half its length, and behind this four or five dark cross stripes. The legs are darker toward the ends; the femora are marked with two broken dark bands, and the patella and tibia of the third and fourth legs have faint dark rings. The spines are small and, on the two front pairs of legs, hardly visible among the other hairs. The under side is light colored, with the ends of the legs darker. The epigynum
RMRGDMH8–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Neoscona Spiders • Bcnnan and Levi 483. Map 3. Distribution of Neoscono henlzii (Keyserling). abdomen; the color in alcohol may be white. The variation is greatest in the area outside the range of N. domiciliontni. The holotypes of both N. nehvaskensis and N. arkansa are individuals with white abdo- mens and the proximal epigynal bulges reduced in size. Diagnosis. The scape of the epigynum is very long and has two pairs of lateral bulges, one pair, often indistinct, near the base and the other pair, very conspicuous,
RMREFHRN–. The common spiders of the United States. Spiders. THE CINIFLONIDyE, OR CRIBELLATA 215. Amaurobius ferox. — This lives in houses and is probably an imported species, as it is more common in Europe. It grows a little larger than sylvestris (fig. 489), and the head is a little more narrowed in front of the legs. The colors and markings are much as in sylvestris, but the abdomen is often darker, and the middle light stripe on the front more distinct. The epigynum has a larger middle lobe, and the lateral lobes are straighter and do not meet in the middle. The males are colored like the females a
RMREFJ5R–. The common spiders of the United States. Spiders. Fig. 431. Female Zilla atrica, en- larged four times. underneath. middle pairs than they are from each other. The mandibles are large and thickened in the middle toward the front. The epigynum and the spinnerets are both small. The color of all the species is gray, with sometimes a little yellow or pink in the lighter parts. The cephalothorax has usually, but not always, a dark border at the sides and a middle dark line that widens and becomes lighter toward the eyes. The abdomen has a wide middle stripe like Epeira, scalloped at the sides an
RMRGENC2–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 270 bulletin: museum of comparative zoology posteriorly. The promargin of the fang groove on a fairly typical female from Haiti bears five teeth, three of which are relatively small and placed somewhat irregularly; the retromargin bears three teeth of moderate size, regularly placed. The Cuban speci- men chosen to show the features of the epigynum has four teeth on the promargin and three on the retromargin. Females fre- quently have an embolus and accompanying sheath caught in one receptacle, and, occasionally, an em
RMRGDKXP–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 208 Bulletin Museum of Comparative Zoology, Vol. 151, No. 3. O chirjqui â nigritarsJs Map 5. Distribution of Homalometa species. white pigment spots except around pedi- cel, epigynum and spinnerets (Fig. 734). The carapace is narrow in front, the thoracic depression indistinct. The eyes are subequal in size, the anterior eyes shghtly closer to the laterals than to each other, the posterior eyes equally spaced. The lat- eral eyes on each side touch. The height of the clypeus equals one to two diameters of the anterior
RMREEYDC–. The common spiders of the United States. Spiders. ii6 THE COMMON SPIDERS is gray, with a long black spot in the middle and a smaller one over the epigynum. There is little difference in size or color between the sexes. The epigynum (fig. 269) has two round holes, wide apart, near the thickened edge. The palpal organ (fig. 268) is shorter and simpler than it is in differeiis. Theridium spirale. — This is a round-bodied spider of the same size as diffcrcns and murarium. The cephalothorax is orange brown above and below, with an indistinct dark stripe as wide in front as the eyes and narrowed b
RMREFJ63–. The common spiders of the United States. Spiders. THE EPEIRID.C 185. Fig. 431. Female Zilla atrica, en- larged four times. underneath. middle pairs than they are from each other. The mandibles are large and thickened in the middle toward the front. The epigynum and the spinnerets are both small. The color of all the species is gray, with sometimes a little yellow or pink in the lighter parts. The cephalothorax has usually, but not always, a dark border at the sides and a middle dark line that widens and becomes lighter toward the eyes. The abdomen has a wide middle stripe like Epeira, scallo
RMRGF0GW–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. '•?.. ' Cyclosa conica. Map 1. Distribution of Cyclosa conica (Pallas) in North America. All species shake the web when disturbed, then may drop on a thread. Species. Of the five species north of Mexico, C. conica is northern and holarctic, the remainder southern (Maps 1, 2). There are numerous tropical American species. The species north of Mexico can be sepa- rated by the shape of the abdomen of the female (Figs. 2, 39, 52, 65, 78), the shape of the epigynum, especially the scape (Figs. 4, 41, 54, 67), and the matc
RMRGEWFP–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 387 393. Figures 393-396. M. maximiano new species, female. 393, 394, epigynum. 393, ventral; 394, posterior. 395, abdomen, dorsal. 396, abdomen, ventral. Scale lines: 1.0 mm; genitalia, 0.1 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
RMREFJ6B–. The common spiders of the United States. Spiders -- United States. THE AGALENID/E 105 and narrow, and the palpal organ large and complicated, with a long fine tube that extends from the base along the outer side and back to the hard appendages in the middle. The epigynum (fig. 247) has a small, transverse, oval opening at the hinder end, in front of which the coils of long tubes can be seen through the skin. In New England Agalenidae PI. VII, fig. 2 is the epigynum of this species and not of Ccslotes longitarsits. Hahnia bimaculata. — The Hahnias resemble Tegenaria, but are much smaller and
RMREFJMC–. The common spiders of the United States. Spiders -- United States. middle. The sides are darkest toward the front end, where there are two black spots. The under side is lighter than the back. The epigynum (fig. 180) differs from that of the related species, having the middle lobe narrow in front and wide and triangular at the end. Lycosa communis. — This is a common spider in pastures, running in grass or hiding under stones. It varies in color from light gray to almost black, but the markings are almost always the same and distinct. On the thorax there is a middle stripe ex- tending forwar
RMRD7NBT–. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. WOOING AND MATING. 39 back and feet; fourth, the male palpal bulbs are applied many times to the epigynum; fifth, the embrace ceases, the female remains stationary in the same place, the male wanders about, makes a straggling web and ^^i™^'^^catches flies; sixth, the male comes before the female, touches her feet, and remains vis-a-vis; seventh, the female makes a tube and enters it; eighth, the male penetrates the tube; ninth,
RMREEYCX–. The common spiders of the United States. Spiders. mM 271 Figs. 270, 271,272, 273. Theridiiim spirale. — 270, male. 271, fe- male. Both enlarged eight times. 272, end of palpus of male. 2/3' epigynum.. Fig. 274. Theridium frondeum.— Varieties of marking, enlarged four times. middle, almost covering the back, and a black stripe of similar width extends backwards on the abdomen for half its length. These black- striped individuals have all the other variations of color and markings. The males have all the colors and spots brighter and the legs longer than the females. The mandibles of the male
RMRGF6PA–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figs. 86-89. Steatoda bipunctata (Linnaeus). 86. Colulus and spinnerets. 87. Left cheliceia of female, inside view. 8S. Female genitalia, dorsal view. 89. Epigynum. Figs. 90, 9L S. Jtespera Cliamberlin and Ivie, female. 90. Abdomen, ventral view. 91. Dorsal view.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Compara
RMRGF8D6–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CHICKERING: SALTICID spiders of PANAMA 31. External anatomy of Spiders Fig. 11. Lyssomanes shropshirei Chickering; epigynum, ventral view. Figs. 12-13. L. zeteki Chickeriog; male palp, ventral and retrolateral view. Figs. 14-15. L. zeteki Chickering; chelicera from below and from in front.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard Un
RMRHTXYX–. The Bermuda islands. An account of their scenery, climate, productions, physiography, natural history and geology, with sketches of their discovery and early history, and the changes in their flora and fauna due to man. Natural history. Figure 215.—Eing-legged Spider {Uloborus geniculatus); a, dorsal view of female, xl^; 216—b, palpus of male; c, epigynum ; after Marx. abdomen dark gray or pale gray, thickly specked and blotched with black, the black often predominant; legs yellowish brown, or light. Please note that these images are extracted from scanned page images that may have been digi
RMRD7NFD–. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. WOOING AND MATING. 39 back and feet; fourth, the male palpal bulbs are applied many times to the epigynum; fifth, the embrace ceases, the female remains stationary in the same place, the male wanders about, makes a straggling web and ^^i™^'^^catches flies; sixth, the male comes before the female, touches her feet, and remains vis-a-vis; seventh, the female makes a tube and enters it; eighth, the male penetrates the tube; ninth,
RMREFJ7G–. The common spiders of the United States. Spiders -- United States. 236. tibia is of complicated shape, as shown in the figure. The tarsus is twice as long as the tibia and patella together, with a long narrow tip. The palpal organ is large and complicated, with a long fine tube that can be seen from above, where it curves around the base of the tarsus. The epigynum varies in appearance according to the thick- ness and color of different parts. The two figures show ^Y Figs. 236, 237. Two forms of epigynum of Tegenaria medicinalis.. Please note that these images are extracted from scanned page
RMRHDC6M–. Bonner zoologische Monographien. Zoology. BONNER ZOOLOGISCHE MONOGRAPHIEN Nr. 58/2011 proximal apophyses frontally and laterally and distal apophyses, palpal trochanter apophyses medium long, often with short retrolateral branch, palpal tibia with prolatero-ventral modification, procursus with two dorsal spines, appendix with branch, epigynum sclerotized, with 'knob' of variable length. Description. Body length -4-6, carapace width 1.2- 1.9. Ocular region slightly elevated, AME present. Clypeus and sternum unmodified. Male chelicerae with two pairs of proximal apophyses and distal apophyses,
RMRGDPWG–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 168 Bulletin Museum of Comparative Zoology, Vol. 141, No. 4. Araneus trifolium Map 7. Distribution of /Araneus trilolium (Hentz). Diagnosis. Araneus trifolium is not close to any other species, although females have been confused with A. (iroenlandicolus and A. iviei on account of the spherical abdo- men, red coloration, and dark leg bands. But the epigynum of A. trifolium is very dis- tinct: a scape (only rarely broken off) flanked on each side by a depression in the base; the margin of the depression and the depress
RMRG30M8–. The Canadian entomologist. Insects; Entomology. 268 THE CANADIAN ENTOMOLOGIST short, the first femur but Httle longer than the cephalothorax. The male palpus has the tarsal hook pointed at the tip, and it is more pointed at the base than in the other species. (Fig. 19, 3.) The basal process of the palpal organ has the slender portion bent in the middle at nearly a right angle, and its poiht has a tooth turned outward as in alboventris, (Fig. 19, 4.) The epigynum has the two processes straight and of middle length. Metlakatla, B.C. J. H. Keen, in the collection of Nathan Banks. Pardosa metlak
RMREFJ1E–. The common spiders of the United States. Spiders -- United States. u6 THE COMMON SPIDERS is gray, with a long black spot in the middle and a smaller one over the epigynum. There is little difference in size or color between the sexes. The epigynum (fig. 269) has two round holes, wide apart, near the thickened edge. The palpal organ (fig. 268) is shorter and simpler than it is in differens. Theridium spirale. â This is a round-bodied spider of the same size as differens and murarium. The cephalothorax is orange brown above and below, with an indistinct dark stripe as wide in front as the eyes
RMREFJ1H–. The common spiders of the United States. Spiders -- United States. THE THERIDID^E 115 in young spiders, the abdomen is entirely yellow, with indistinct brown markings. The cephalothorax is orange brown, often darker in the middle, but with no distinct stripe. The legs and palpi are yellow in females and orange brown in males, slightly darker at the ends of the joints. The epigynum has no open- ings in sight. They are on the inner side in the transverse fold across the abdomen. The palpal organ (fig. 266) has two appendages at the end, one hard and roughened and the other soft. The web is on
RMREFH8J–. The common spiders of the United States. Spiders -- United States. THE EPEIRID.E I85. Fig. 431. Female Zilla atrica, en- larged four times. underneath. middle pairs than they are from each other. The mandibles are large and thickened in the middle toward the front. The epigynum and the spinnerets are both small. The color of all the species is gray, with sometimes a little yellow or pink in the lighter parts. The cephalothorax has usually, but not always, a dark border at the sides and a middle dark line that widens and becomes lighter toward the eyes. The abdomen has a wide middle stripe li
RMRHDG72–. Bonner zoologische Monographien. Zoology. FIG. 426-429. Leptopholcus tanikawai (426, 427) and Micromeryspapua (428, 429). 426. Male ALS. 427. Male gonopore. 428. Female ATS. 429. Epigynum. Scale lines: 200 pm (429), 30 pm (427), 20 pm (428), 10 pm (426). 105. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig
RMREEDJ0–. The common spiders of the United States. Spiders. middle. The sides are darkest toward the front end, where there are two black spots. The under side is lighter than the back. The epigynum 180) differs from that of the related species, having the middle lobe narrow in front and wide and triangular at the end. Lycosa communis. — This is a common spider in pastures, running in grass or hiding under stones. It varies in color from light gray to almost black, but the markings are almost always the same and distinct. On the thorax there is a middle stripe ex- tending forward to the eyes, and a na
RMREFJMP–. The common spiders of the United States. Spiders -- United States. THE LYCOSIDjE 75. middle. The sides are darkest toward the front end, where there are two black spots. The under side is lighter than the back. The epigynum (fig. 180) differs from that of the related species, having the middle lobe narrow in front and wide and triangular at the end. Lycosa communis. — This is a common spider in pastures, running in grass or hiding under stones. It varies in color from light gray to almost black, but the markings are almost always the same and distinct. On the thorax there is a middle stripe
RMREEDJ6–. The common spiders of the United States. Spiders. THE LYCOSID^ 75. middle. The sides are darkest toward the front end, where there are two black spots. The under side is lighter than the back. The epigynum 180) differs from that of the related species, having the middle lobe narrow in front and wide and triangular at the end. Lycosa communis. — This is a common spider in pastures, running in grass or hiding under stones. It varies in color from light gray to almost black, but the markings are almost always the same and distinct. On the thorax there is a middle stripe ex- tending forward to t
RMRGETG7–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. LEVI : ACriAEARANEA, TIIERIDIOX AND SFIIYROTINUS 85 NEW SYNONYMY. Comments. Type specimens of T. dUuciduni were examiued. The epigynum (Fig. 79) has an anterior curved scderotized plate, and a posterior depresison; in between is a projecting carina. This species is close to T. myersi Levi, but can be separated by the internal female genitalia. ^^•>**'». D T. coyoacan • T. dilucidum Map 2. Distvibution of Thcvidion coijoacan, new species, and T. dilucUhim Simon. Records. Costa Rica. Canal Zone: Barro Colorado Isl.,
RMREXDTK–. The common spiders of the United States. Spiders. THE THERIDIDyE 115 in young spiders, the abdomen is entirely yellow, with indistinct brown markings. The cephalothorax is orange brown, often darker in the middle, but with no distinct stripe. The legs and palpi are yellow in females and orange brown in males, slightly darker at the ends of the joints. The epigynum has no open- ings in sight. They are on the inner side in the transverse fold across the abdomen. The palpal organ (fig. 266) has two appendages at the end, one hard and roughened and the other soft. The web is on low plants of all
RMRGETHA–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Western Pacific Argiopinae • Levi 297. »< *« Figures 173-177. Argiope halmaherensis Strand, female. 173. Epigynum, ventral. 174. Epigynum, posterior. 175. Epigynum, lateral. 176. Carapace and abdomen. 177. Sternum and abdomen. Figures 178-182. Argiope niasensis Strand, female. 178. Epigynum, ventral. 179. Epigynum, posterior. 180. Epigynum, lateral. 181 Carapace and abdomen. 182. Sternum and abdomen. Figures 183-187. Argiope takum Chrysantfius, female. 183. Epigynum, ventral. 184. Epigynum, posterior. 185. Epigynum
RMREFJNM–. The common spiders of the United States. Spiders. Linyphia in- black stripe on each side and several pairs of black spots in the middle, connected with a middle line. The legs are white, with a gray ring at the end and middle of each joint. The spines are long on the legs and palpi (fig. 347). The mandi- bles have an oblique dark stripe and several long hairs in front and a row of teeth in front of the claw. The epigynum (fig. 346) is large and ex- tends obliquely backward away from the abdomen and curves inward again at the end. It lives all over the northern part of this country and Europe
RMREFHJB–. The common spiders of the United States. Spiders -- United States. black stripe on each side and several pairs of black spots in the middle, connected with a middle line. The legs are white, with a gray ring at the end and middle of each joint. The spines are long on the legs and palpi (fig. 347). The mandi- ^49 bles have an oblique dark stripe and several long hairs in front and a row of teeth in front of the claw. The epigynum (fig. 346) is large and ex- tends obliquely backward away from the abdomen and curves inward again at the end. It lives all over the northern part of this country an
RMREFHHD–. The common spiders of the United States. Spiders -- United States. Figs. 354, 355, 356, 357, 358. Linyphia nigrina. — 354, side of male. 355, markings of back of female. 356, end of palpus of male. 357, 358, epigynum. brown, the abdomen gray without any markings. The epigy- num (figs. 352, 353) has a long, slender, flexible process on the outer edge that extends backward to the middle of the abdo- men, and under it is another shorter one not easily seen. The tarsus of the male palpus (fig. 351) is longer and more tapering than that of nigrina. Adults of both sexes are common under leaves in
RMREF0A3–. The common spiders of the United States. Spiders. INTRODUCTION IX On the front of the head are the eyes, usually eight in number, differing in size and arrangement according to the TARSUS CLAW or MANDIBLE MANDIBLE â mAxilla LABIUM. y^ OPENING OrAIR SACS EPIGYNUM ^i MANDIBLES CLAW TRACHEA Mf--VsPlNIMERETS Fig. I. Diagram of the under side of a spider, with the legs removed except one. Fig. 2. Front of head, showing the eyes and mandibles. kind of spider. The sight of spiders is distinct for only short distances. Spiders of middle size can see each other, and the. Please note that these image
RMRGF3JY–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 464 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY The length is about 6 mm. Figure 194 is intended to show rela- tionships among the spines at the posterolateral angle of the abdomen. Figures 195-197 are intended to show the chief fea- tures of the epigynum. Known only from Guatemala and only from the female.. External Anatomy of Micrathena Figures 194-197, M. subspinosa Fig. 194. Spines at posterolateral angle of abdomen; lateral view. Figs. 195-197. Epigynum from below, in posterior view, and in profile from right side, r
RMREFJKH–. The common spiders of the United States. Spiders -- United States. 78 THE COMMON SPIDERS Pardosa con- small spiders, all slender. The Figs. 186, 187, 188. Pardosa lapidicina. — 186, female en- larged four times. 187, side of cephalothorax. 188, epigynum. legs, the fourth The color is with black ings (fig.. 186). being wet, the E GENUS PARDOSA sists of comparatively of them long legged and head is high in front, and the four upper eyes large and spread over the whole front of the head (fig. 200). The front row of eyes is plainly shorter than the second row. The colors are gener- ally dark, of
RMRGFJX7–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 380 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY epigastric area. Male with sclerotized portions orange brown. Eyes subequal in size. Anterior median eyes separated by two- thirds their diameter. Posterior medians two-thirds diameter apart, two-thirds to one diameter from laterals. Chelicerae with two teeth on anterior margin. Epigynum a black spot in a lighter area, posterior to which is a small scape (Fig. 17). In South American specimens the black spot may be larger, the posterior scape indistinct. Coloration and shape
![. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 134 135 136 uT-^«-" 137 138. Figures 147-150. C. sevillano n. sp., epigynum. 147. Dorsal, cleared. 148. Ventral, cleared. 149. Ventral. 150. Posterior. Scale lines. 0.1 mm, except Figures 124, 131, 142-144, 1.0 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum Stock Photo](https://c8.alamy.com/comp/RGDMTH/bulletin-of-the-museum-of-comparative-zoology-at-harvard-college-zoology-134-135-136-ut-quot-137-138-figures-147-150-c-sevillano-n-sp-epigynum-147-dorsal-cleared-148-ventral-cleared-149-ventral-150-posterior-scale-lines-01-mm-except-figures-124-131-142-144-10-mm-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-harvard-university-museum-of-comparative-zoology-cambridge-mass-the-museum-RGDMTH.jpg ". Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 134 135 136 uT-^«-" 137 138. Figures 147-150. C. sevillano n. sp., epigynum. 147. Dorsal, cleared. 148. Ventral, cleared. 149. Ventral. 150. Posterior. Scale lines. 0.1 mm, except Figures 124, 131, 142-144, 1.0 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum Stock Photo")
RMRGDMTH–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 134 135 136 uT-^«-" 137 138. Figures 147-150. C. sevillano n. sp., epigynum. 147. Dorsal, cleared. 148. Ventral, cleared. 149. Ventral. 150. Posterior. Scale lines. 0.1 mm, except Figures 124, 131, 142-144, 1.0 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
RMRGF49T–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 514 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY. 139 External Anatomy of Eustala Figures 135-138, E. vegeta Figures 139-140, E. venusta Fig. 135. Male palpal tarsus, lateral view. Fig. 136. Male palpal tarsus, distal view. Fig. 137. Epigynum from below. Fig. 138. Epigynum, lateral view. Fig. 139. Epigynum from below. Fig. 140. Epigynum, lateral view.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustration
RMRGENA3–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. MiCRATHENA AND Chaetacis • Levi 577. Figures 662-666. Micrathena petrunkevitchi n. sp., female. 662. Lateral. 663. Dorsal. 664. Epigynum, ventral. 665. Epigynum, posterior. 666. Epigynum, lateral. Scale lines. 0.1 mm, except Figures 646, 647, 651, 654, 655, 659, 662, 663, 1.0 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University.
RMREFJFY–. The common spiders of the United States. Spiders. THE EPEIRID^ 171. 401 401 a Figs. 401, 401 a. Epeira thaddeus, enlarged four times. The abdomen is white or light yellow on the upper side, and brown underneath, the edge of the dark color coming far enough up to be seen from above, around the sides and front (fig. 401). Under the middle of the abdomen is a yellow spot just behind the epigynum(fig.40i<'7). In some individuals there is a trace of markings on the hinder part of the abdomen, and the under side is sometimes light, so that there is a dark ring around the middle of the abdomen.
RMREFHCR–. The common spiders of the United States. Spiders -- United States. 401 401 a Figs. 401, 401 a. Epeira thaddeus, enlarged four times. The abdomen is white or light yellow on the upper side, and brown underneath, the edge of the dark color coming far enough up to be seen from above, around the sides and front (fig. 401). Under the middle of the abdomen is a yellow spot just behind the epigynum(fig.40i a). In some individuals there is a trace of markings on the hinder part of the abdomen, and the under side is sometimes light, so that there is a dark ring around the middle of the abdomen. This
RMRGDMYC–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Neotropical Araneus, Dubiepeira, Aculepeira • Levi 185. Map 3. Distribution of Araneus species. angle dorsally (Fig. 255); (Map 3) . 48(47). Base of epigynum with a round de- zapallar pression on each side of scape (Figs. 47(41). Greater Antilles 48 357, 361); Hispaniola 49 Continental and Trinidad 50 Base with a slit on each side of scape. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may
RMRGDYM9–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figs. 23-27. Steatoda transversa (Banks). 23. Female genitalia, ventral view. 24. Epigynum. 25. Abdomen of female, dorsal view. 26, 27. left palpus. 26. Mesal view. 27. Ventral view. Figs. 28-31. S. quadrimaciilata (O.P. Cambridge). 28. Female genitalia, ventral view. 29. Epigynum. 30, 31. Palpus. 30. (Tamaulipas). 31. (Guerrero).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfect
RMRGF3RP–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 446 BULLETIN: MUSEUM OP COMPARATIVE ZOOLOGY marked. Abdomen with a pair of very short anterolateral tuber- cles where spines so often occur in many species; with a pair of posterolateral spines on each side with the upper one robust and. External Anatomy of Micratlwna Figures 138-145, M. patruelis Fig. 138. Dorsal view of body of female. Fig. 139. Abdominal spines at posterolateral corner. Figs. 140-142. Epigynum from below, in posterior view, and profile from right side, respectively. Fig. 143. Dorsal view of body of
RMRGENHJ–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Figure 5. Clitaetra thisbe female: A, prosoma dorsal; B, prosoma ventral; C, spinnerets; D, epigynum; E, PMS; F, PLS; G, ALS; H, tarsus leg IV, arrow points to sustentaculum. Scale lines: A-C 100 urn; D-H 10 |im.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museu
RMRGF0WW–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. METAZYCIA'Levi 101. Figures 133-137. M. goeldiin. sp., female. 133-136, epigynum. 133, ventral. 134, posterior. 135, lateral. 136, paratype, ventral. 137, dorsal. Abbreviations. A, terminal apophysis; C, conductor; M, median apophysis; R, radix. Scale lines. 1.0 mm, genitalia 0.1 mm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard Universi
RMRGFJKG–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. LEVI: SPIDER GENERA CRUSTULINA AND STEATODA 401 portion of dorsum. Anterior median eyes sometimes slightly smaller than others, almost their diameter apart, three-quarters diameter from laterals. Posterior eyes one diameter apart, one diameter from laterals. Tooth on anterior margin of male chelicerae indistinct. Males with femora swollen, often with ventral spines on first femora and tibia, but these may be absent. Usually with a thorn on distal end of second femur. Epigynum illustrated by Figure 67, male palpus by F
RMREFJFN–. The common spiders of the United States. Spiders. 401 401 a Figs. 401, 401 a. Epeira thaddeus, enlarged four times. The abdomen is white or light yellow on the upper side, and brown underneath, the edge of the dark color coming far enough up to be seen from above, around the sides and front (fig. 401). Under the middle of the abdomen is a yellow spot just behind the epigynum(fig.40i<'7). In some individuals there is a trace of markings on the hinder part of the abdomen, and the under side is sometimes light, so that there is a dark ring around the middle of the abdomen. This spider makes
![. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. 4».„,. '5:--.. Sii*l^ lAjcosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivak, dorsal markings. 14. " " epigynum. 15. " " undeveloped epigynum. 16. " " male palpus. 17. Pardosa glacialis, epigynum. 18. XysHcus bimaculalus. 19. " i' male palpus. 20. " " epigynun.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of Stock Photo](https://c8.alamy.com/comp/RDG5BN/report-of-the-canadian-arctic-expedition-1913-18-scientific-expeditions-4-5-siil-lajcosa-asivak-bernard-harbour-northwest-territories-july-9-1915-explanation-of-plate-ii-fig-13-lycosa-asivak-dorsal-markings-14-quot-quot-epigynum-15-quot-quot-undeveloped-epigynum-16-quot-quot-male-palpus-17-pardosa-glacialis-epigynum-18-xyshcus-bimaculalus-19-quot-i-male-palpus-20-quot-quot-epigynun-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-RDG5BN.jpg ". Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. 4».„,. '5:--.. Sii*l^ lAjcosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivak, dorsal markings. 14. " " epigynum. 15. " " undeveloped epigynum. 16. " " male palpus. 17. Pardosa glacialis, epigynum. 18. XysHcus bimaculalus. 19. " i' male palpus. 20. " " epigynun.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of Stock Photo")
RMRDG5BN–. Report of the Canadian Arctic Expedition 1913-18. Scientific expeditions. 4».„,. '5:--.. Sii*l^ lAjcosa asivak, Bernard harbour, Northwest Territories, July 9, 1915. Explanation of Plate II. Fig. 13. Lycosa asivak, dorsal markings. 14. " " epigynum. 15. " " undeveloped epigynum. 16. " " male palpus. 17. Pardosa glacialis, epigynum. 18. XysHcus bimaculalus. 19. " i' male palpus. 20. " " epigynun.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
RMRG30JJ–. The Canadian entomologist. Insects; Entomology. Fig. 22. 1. Calabrithorax clypiellus, sp. n., ventral view of left male palpus. xlOO. 2. Distoectal view of right male palpus. .xlOO. .3. Dorsal view of left male palpus. xlOO. 6. Anyphaena intermonlana, sp. n., epigynum. x44. characters as height of clypeus, etc., are so marked, indicates the importance of the palpal organ in generic distinctions in this group. Catabrithorax clypiellus, sp. nov. ikfa/e.^Carapace light dusky yellow. Legs yellow. Abdomen light gray. Remarkable for the extremely low clypeus, the height of which is less than the d
Search Results for Epigynum Stock Photos and Images (595)
Page 1 of 6