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79 results for “Echinotheridion”
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.
Figures 136–140. Tidarren konrad n in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 136–140. Tidarren konrad n. sp., from Yemen, Hammam 'Ali. Female epigynum/vulva in frontal (136), ventral (137, 138), aboral (139), and lateral view (140). Scale bars: 0.1 mm.
Figures 109, 110. 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 109, 110. Tidarren dentigerum n. sp., different specimens from Yemen, Ta'izz. Left male palp, retrolateral view. Scale bars: 0.1 mm.
Figures 56–61 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 56–61. Tidarren argo Knoflach and van Harten from Yemen, Hammam 'Ali (56, 57, 60), Khamis Bani Sa'd (61), and from Tibesti (58, 59). Female epigynum/vulva in lateral (56, 58), ventral (57, 59, 61), and aboral view (60). Scale bar: 0.1 mm.
Figure 72 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figure 72. Tidarren argo Knoflach and van Harten from Yemen. Male palp with expanded horn-shaped haematodochae which keep palp fastened to epigynum. Basal haematodocha (posterior horn) pressed against the female's venter, median one (anterior horn) towards her epigaster.
Figures 73, 74 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 73, 74. Tidarren argo Knoflach and van Harten from Yemen. (73) Female guarding egg-sac. (74) Further egg-sacs are attached at intervals of about 2 weeks and guarded. Upper one already hatched, right with first instars emerged from the eggs, left with eggs just deposited.
Figures 261–264 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 261–264. Tidarren haemorrhoidale (Bertkau) from Mexico. Right male palp, ventral (261), apical (262), retrolateral (263), and retrolateral-apical view (264). Arrow points to vestigial distal haematodocha (263). Scale bars: 0.1 mm.
Figures 265, 266 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 265, 266. Right male palp, dorsal view. (265) Tidarren haemorrhoidale (Bertkau) from Mexico. (266) T. sisyphoides (Walckenaer) from Costa Rica. Scale bars: 0.1 mm.
Figures 11–17 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 11–17. Prosoma, lateral (11, 12), ventral (13–15), and ventro-lateral view (16, 17) of Tidarren females (11, 13–17) and male (12). (11–15) T. cuneolatum (Tullgren) from Yemen (11, 12), Cape Verde Islands (13), and Tanzania (14, 15). (16) T. konrad n. sp. from Yemen. (17) T. dentigerum n. sp. from Yemen. Eye region in female recessed, clypeus low and concave (11). Note posterior sternal tubercle in 16, 17.
Figures 141, 142 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figures 141, 142. Female habitus. (141) T. konrad n. sp., lateral (a) and aboral (b). (142) T. sheba n. sp. All specimens from Yemen.
Figure 1 in The one-palped spider genera Tidarren and Echinotheridion in the Old World (Araneae, Theridiidae), with comparative remarks on Tidarren from America
Figure 1. Tidarren sisyphoides (Walckenaer) from Mexico. (a) Female left, male right; (b) dead male after copulation with right palp still inflated. Note size dimorphism of male compared with female tibia IV.
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