Opopaea

Tong, Yanfeng & Li, Shuqiang, 2010, The Goblin Spiders of the Genus Opopaea (Araneae, Oonopidae) in Hainan Island, China, Zootaxa 2327, pp. 23-43 : 24

Key to species of Opopaea of Hainan Island

1 Carapace with cone-shaped tubercles on posterior corners.......................................................................................... 2

- Carapace without cone-shaped tubercles on posterior corners..................................................................................... 5

2 Clypeus height about 2.5 times of ALE diameter ( Fig. 1K )......................................................................... O. cornuta

- Clypeus height less than 1.5 times of ALE diameter ( Figs 1I, L ) ................................................................................ 3

3 Book lung covers medium sized ( Fig. 8E ); distal part of male palpal bulb with long medially bent embolus ( Figs 8A, B , 12A–H ); female with long, transparent, needle-like parmula ( Fig. 8G ) ............................................... O. vitrispina

- Book lung covers very small ( Fig. 3D ); distal part of male palpal bulb without long medially bent embolus ( Figs 3A, B ); female without parmula ( Fig. 3F ) ........................................................................................................................... 4

4 Abdomen of male without strongly elevated and blackened area between posterior spiracles; female postgynal depression with small triangular shaped anterior edge ( Fig. 2G ) .............................................................. O. gibbifera

- Abdomen of male with strongly elevated and blackened area between posterior spiracles ( Figs 1H, I , 3C ); female postgynal depression with large triangular shaped anterior edge ( Fig. 3F ) ......................................... O. diaoluoshan

5 Book lung covers very large ( Fig. 5D ); posterior eye row procurved from above ( Figs 1F , 5C ) ................... O. sanya

- Book lung covers smaller ( Figs 4D , 6E ); posterior eye row nearly straight from above ( Figs 1E, G , 6D ).................. 6

6 Eyes large, ALE separated by less than their radius ( Figs 1G , 6D ); clypeus height about 0.75 times of ALE diameter ( Fig. 1N ); book lung covers very small ( Fig. 6E ).......................................................................................... O. sauteri

- Eyes small, ALE separated by more than their radius ( Fig. 1E ); clypeus height about 2.6 times of ALE diameter ( Fig. 1O ); book lung covers medium sized ( Fig. 4D ).................................................................................... O. furcula

Figures

FIGURES 1 A – U. Opopaea cornuta Yin & Wang, 1984 (B, K); Opopaea deserticola Simon, 1891 (Q, S, T); Opopaea diaoluoshan sp. nov. (C, H, I); Opopaea furcula sp. nov. (E, O); Opopaea gibbifera Tong & Li, 2008 (D, L); Opopaea sanya sp. nov. (F, M); Opopaea sauteri Brignoli, 1974 (G, N, P, R, U) and Opopaea vitrispina sp. nov. (A, J). A – G. Male habitus, dorsal view; H. Male abdomen, ventral view; I – O. Male habitus, lateral view; P, Q. Male left palp, prolateral view; R, S. Female genitalia, ventral view; T, U. Female carapace, dorsal view.

FIGURES 8 A – G. Opopaea vitrispina sp. nov. A. Male left palp, prolateral view; B. Male left palp, retrolateral view; C. Male embolus, frontal view; D. Male carapace, dorsal view; E. Female scutopetiolar apparatus, anteroventral view; F. Vulva, dorsal view; G. Female postgynum, ventral view. Scale lines: A, B, F, G = 0.1 mm; C = 0.05 mm; D, E = 0.2 mm.

FIGURES 12 A – H. Opopaea vitrispina sp. nov., left male palp, SEM. A. Prolateral view; B. Retrolateral view; C. Bulb, prolateral view; D. Bulb, retrolateral view; E. Embolus, prolateral view; F. Embolus, retrolateral view; G. Palpal depression, prolateral view; H. Tip of embolus, retrolateral view.

FIGURES 3 A – F. Opopaea diaoluoshan sp. nov. A. Male left palp, prolateral view; B. Male left palp, retrolateral view; C. Male abdominal ventral scutum, ventral view; D. Female scutopetiolar apparatus, anteroventral view; E. Vulva, dorsal view; F. Female postgynum, ventral view. Scale lines: A – D = 0.1 mm; E, F = 0.05 mm.

FIGURES 2 A – G. Opopaea cornuta Yin & Wang, 1984 (A – E) and Opopaea gibbifera Tong & Li, 2008 (F – G). A. Male left palp, prolateral view; B. Male left palp, retrolateral view; C. Female scutopetiolar apparatus, anteroventral view; D, G. Female postgynum, ventral view; E, F. Vulva, dorsal view. Scale lines = 0.1 mm.

FIGURES 5 A – D. Opopaea sanya sp. nov. A. Male left palp, prolateral view; B. Male left palp, retrolateral view; C. Male carapace, dorsal view; D. Male scutopetiolar apparatus, anteroventral view. Scale lines: A, B, D = 0.1 mm; C = 0.2 mm.

FIGURES 4 A – G. Opopaea furcula sp. nov. A. Male left palp, prolateral view; B. Male embolus, frontal view; C. Male left palp, retrolateral view; D. Female scutopetiolar apparatus, anteroventral view; E. Female carapace, dorsal view; F. Vulva, dorsal view; G. Female postgynum, ventral view. Scale lines: A, C, D = 0.1 mm; B, F, G = 0.05 mm; E = 0.2 mm.

FIGURES 6 A – G. Opopaea sauteri Brignoli, 1974. A. Male left palp, prolateral view; B. Male left palp, retrolateral view; C. Male embolus, frontal view; D. Female carapace, dorsal view; E. Female scutopetiolar apparatus, anteroventral view; F. Female postgynum, ventral view; G. Vulva, dorsal view. Scale lines: A, B, C, F, G = 0.05 mm; D, E = 0.1 mm.