Zaitunia

Sergei Zonstein & Yuri M. Marusik, 2016, A revision of the spider genus Zaitunia (Araneae, Filistatidae), European Journal of Taxonomy 214, pp. 1-97 : 68-69

Key to species of the Zaitunia maracandica- group

(Males of Z. feti sp. nov., Z. minuta sp. nov. and Z. zonsteini are unknown.)

1. Males ………………………………………………………………………………………………2

– Females ……………………………………………………………………………………………3

2. Palpal tibia considerably swollen, vestigial embolic keel terminates more gently ( Figs 37 D–E, 44F); Uzbekistan, southern Kazakhstan ……………………… Z. maracandica ( Charitonov, 1946)

– Palpal tibia only slightly swollen, vestigial embolic keel terminates more steeply ( Figs 35 A–C, 44E); Kyrgyzstan, Uzbekistan ……………………………………………… Z. ferghanensis sp. nov.

3. Receptacles short, globulate or stump-shaped, subequal in size; lateral and median receptacles located near each other ( Figs 40 , 41 I –M) …………………………………………………………4

– Receptacles more elongate and noticeably differ by size, lateral and median receptacles more distant from each other ( Figs 35 E–J, 36D–E, 38E–I) ………………………………………………5

4. Receptacles stump-shaped, with only few gland-pores apically ( Fig. 40 ); Uzbekistan …………… …………………………………………………………………………………… Z. minuta sp. nov.

– Receptacles globulate, with more numerous gland-pores spread evenly ( Fig. 41 I–M); Kazakhstan …………………………………………………………… Z. zonsteini Fomichev & Marusik, 2013

5. Distance between lateral and median receptacles is shorter; lateral pair of receptacles longer than median pair ( Fig. 35 E–J) …………………………………………………… Z. ferghanensis sp. nov.

– Distance between lateral and median receptacles is longer; lateral pair of receptacles subequal to median pair or shorter ( Figs 38 E–I, 36D–E) ………………………………………………………6

6. Receptacles are subequal in size ( Fig. 38 E–I) ……………… Z. maracandica ( Charitonov, 1946)

– Median receptacles considerably longer than lateral pair ( Fig. 36 D–E); Turkmenistan …………… ………………………………………………………………………………………… Z. feti sp. nov.

Figures

Fig. 35. Copulatory organs and somatic characters of Zaitunia ferghanensis sp. nov., paratype, ♂ from Osh (A – D) and paratypes, ♀♀ from Djalal-Abad (E – J) and Ferghana (K). — A. Palp, prolateral. B – D. Terminal part of palp, retrolateral, ventral and dorsal. E – J. Endogyne (variants), dorsal. K. Habitus, dorsal.

Fig. 36. Somatic characters and endogyne of Zaitunia feti sp. nov., holotype, ♀. A – B. Habitus, dorsolateral and lateral. C. Abdomen, ventral. D – E. Endogyne, dorsal.

Fig. 37. Somatic characters and palp of Zaitunia maracandica (Charitonov, 1946), ♂ from Ulus. A. Habitus, lateral. B – C. Prosoma, laterodorsal. D – E. Palp, retro- and prolateral. Scale bars: A = 1.0 mm; B = 0.5 mm; C – E = 0.2 mm.

Fig. 38. Somatic characters and endogyne of Zaitunia maracandica (Charitonov, 1946), ♀♀ from Bukhara (A – D), Kitab (E – H) and Ulus (I). A. Prosoma, dorsal. B, D. Body, dorsal. C. Habitus, dorsal. E – F, I. Endogyne, dorsal. G. Right pair of receptacles, anterior. H. Endogyne, anterior. Scale bars: B, D = 0.5 mm; C = 1.0 mm; I = 0.2 mm.

Fig. 40. Endogyne of Zaitunia minuta sp. nov., holotype, ♀. A. Anterior. B. Ventral. C – D. Dorsal.

Fig. 41. Somatic characters and endogyne of Zaitunia zonsteini Fomichev & Marusik, 2012 (A – H, J – K, M), and ♀♀ from Taldykorgon (I, L). — A – C. Habitus, dorsal, showing variations of pattern. D, G. Cephalic part of prosoma, dorsal. E, H. Calamistrum, lateral and dorsal. F. Posterior part of abdomen, ventral. I – J. Endogyne, dorsal. K, M. Same, anterior. L. Same, subcaudal (receptacles visible from below). Scale bars: A = 1.0 mm; B – C = 0.5 mm; D, F – H = 0.2 mm; I, L = 0.1 mm.