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1,212 results for “Old World”
Figures 52–55 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 52–55. Tidarren argo Knoflach and van Harten from Yemen. Male palp, anterior (52), retrolateral-dorsal (53), retrolateral (54), dorsal view (55). Scale bar: 0.1 mm.
Figures 70, 71 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 70, 71. Tidarren argo Knoflach and van Harten from Yemen. Male after copulation with shrivelled prosoma (70) and palp separated between tibia and tarsus (71). Scale bars: 0.2 mm.
Figures 132–135. Tidarren gracile n in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 132–135. Tidarren gracile n. sp. from Yemen, Al-Kowd, copulatory behaviour of two pairs. (132) First minutes of copulation, right male palp inserted, his legs extended sideways. (133, 134) Female changes position and starts to suck out male, his palp still inserted. Sperm transfer and sexual cannibalism are synchronized. (135) Mate consumption after functional contact.
Figures 47–50 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 47–50. Left male palp. (47–49) Tidarren cuneolatum (Tullgren) from Yemen. (50a, b) T. argo Knoflach and van Harten from Yemen. (47, 50a, b) Cymbium separated from bulbus, viewed from inside (dorsal view). Arrows point to cymbial hook. (48) Palpal organ with sclerites loosened. (49) Embolus, showing two basal lobes. Auto-Montage digital photos.
Figures 41–46 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 41–46. Male palp. (41–44) Tidarren argo Knoflach and van Harten from Yemen. (45, 46) T. cuneolatum (Tullgren) from Yemen. (41) Palp expanded, basal and median haematodochae serve as holdfast structures. (42, 44) Palp with sclerites at rest in frontal-dorsal view. (43) Detail of distal part of cymbium. (45, 46) Palp in retrolateral view, showing inverted position, cymbium ventral, bulbus dorsal. Scale bars: 0.2 mm (42, 45); 0.1 mm (41, 46); 0.02 mm (43); 0.05 mm (44).
Figures 128–131. Tidarren gracile n in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 128–131. Tidarren gracile n. sp., from Yemen, Al-Kowd. Female epigynum/vulva in lateral (128), ventral (129), aboral (130), and dorsal view (131). Scale bar: 0.1 mm.
Figures 89–92 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 89–92. Tidarren cuneolatum (Tullgren). Right male palp, dorsal (89–91) and ventral view (92). Specimens from Yemen, Ta'izz (89, 92), Cape Verde Islands (90), and Gran Canaria (91). Arrow points to distal haematodocha. Scale bars: 0.1 mm.
Figures 23–27 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 23–27. (23, 24) Echinotheridion gibberosum (Kulczynski) from Tenerife. (25, 26) Tidarren argo Knoflach and van Harten from Yemen. (27) T. cuneolatum (Tullgren) from Yemen. (23) Female, ventral view. (24) Ditto, details of coxal spurs on legs IV and epigynum. (25–27) Epigynum, oblique aboral (25) and ventral view (26, 27). Scale bars: 0.5 mm (23); 0.2 mm (24, 25); 0.1 mm (26); 0.05 mm (27).
Figures 18–22 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 18–22. Tidarren argo Knoflach and van Harten from Yemen (18–20, 22) and Echinotheridion gibberosum (Kulczynski) from Tenerife (21). (18) Female prosoma in frontal view. (19) Ditto, detail of left chelicera. (20) Male chelicerae separated from carapace, aboral view. Note frontal basal apodemes. (21) Male prosoma in frontal view showing amputation site of male palp. (22) Detail of remaining segments (coxa and trochanter) of amputated male palp. Scale bars: 0.2 mm (18, 20, 21); 0.05 mm (19); 0.02 mm (22).
Figures 85–88 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 85–88. Tidarren cuneolatum (Tullgren). Right male palp, prolateral view. Specimens from Yemen, Ta'izz (85), Sana'a (86), Cape Verde Islands (87), and Gran Canaria (88). Scale bars: 0.1 mm.
Figure 51 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figure 51. World distribution of the one-palped spider genera Echinotheridion (open circles) and Tidarren (closed circles and stripes). Occurrence in America based mainly upon Levi (1957, 1963, 1967).
Figures 28–36 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 28–36. (28–30, 36) Echinotheridion gibberosum (Kulczynski) from Tenerife. (31–33) Tidarren argo Knoflach and van Harten from Yemen. (34, 35) T. cuneolatum (Tullgren) from Yemen. (28–31) Female palpal claw with characteristic large dentition. (32) Serrated setae of tarsal comb of female leg IV. (33) Female tarsal claw. (34, 35) Trichobothria on male tibiae IV and III. Pore on base of hair shaft represents the moulting pore (F. G. Barth, in litt.). (36) Tarsal organ on female palp. Scale bars: 0.05 mm (28); 0.02 mm (29–33); 0.005 mm (34); 0.01 mm (35, 36).
Figures 116–119. Tidarren dentigerum n in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 116–119. Tidarren dentigerum n. sp. from Yemen, Ta'izz, copulatory behaviour. (116) First minutes of copulation, left male palp inserted, his legs extended sideways. Haematodochae largely inflated, but unmodified. (117) Male death during copulation, his legs contracted. (118) Female removes dead male from epiygnum. (119) Mate consumption. Male palp remains inflated after copulation (118, 119).
Figures 7–10 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 7–10. Male prosoma, in lateral (7, 9) and frontal view (8, 10). (7, 8) Tidarren argo Knoflach and van Harten from Yemen. (9) T. cuneolatum (Tullgren) from Yemen. (10) Echinotheridion gibberosum (Kulczynski) from Tenerife. Note high and steep clypeus and site of palp amputation with trochanter still present. Scale bars: 0.2 mm.
Figure 2 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figure 2. Male of Tidarren cuneolatum (Tullgren), just moulted into subadult stage. (a) Moulting and amputation site below hub, the usual resting place of the spider; (b) male (left) removing his exuvia from the moulting site; (c) two-palped male before amputation.
Figures 3–6 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 3–6. Subadult males. (3, 4) Echinotheridion gibberosum (Kulczynski) from Tenerife. (3) Ecdysis just completed, male suspended on moulting thread, both palps present. (4) Palp amputation accomplished; arrow points to detached palp. (5, 6) Tidarren sisyphoides (Walckenaer) from Mexico. (5) Early phase of amputation, circling. (6) Amputated palp already sucked out.
Figures 37–40 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 37–40. (37) Tidarren sisyphoides (Walckenaer) from Mexico. (38) T. argo Knoflach and van Harten from Yemen. (39, 40) Echinotheridion gibberosum (Kulczynski) from Tenerife. (37) Male epigaster with five epiandrous gland spigots. (38) Male spinnerets, colulus absent. (39, 40). Female spinnerets. Note absence of colulus and colular setae, a synapomorphy of Theridiinae according to Agnarsson (2004), and presence of large, compressed spigots of glandulae aggregatae on posterior lateral spinnerets, typical of Theridiidae. Scale bars: 0.02 mm (37); 0.05 mm (38); 0.2 mm (39); 0.1 mm (40).
Figures 97–102 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 97–102. Tidarren cuneolatum (Tullgren). Female epigynum/vulva in lateral (97), ventral (98–101), and dorsal view (102). Specimens from Yemen, Sana'a (97, 98, 102), Kenya (99), Cape Verde Islands (100), and Gran Canaria (101). Scale bars: 0.1 mm.
Figures 111–115. Tidarren dentigerum n in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 111–115. Tidarren dentigerum n. sp. from Yemen, Ta'izz. Female epigynum/vulva in lateral (111), ventral (112, 113, different specimens), dorsal (114), and aboral view (115). Scale bars: 0.1 mm.
Figures 95, 96 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 95, 96. Tidarren cuneolatum (Tullgren) from Yemen. Female epigynum/vulva ventral (95) and dorsal view (96). Auto-Montage digital photos.
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