Cavisternum carae, Baehr & Harvey & Smith, 2010

Baehr, Barbara C., Harvey, Mark S. & Smith, Helen M., 2010, The Goblin Spiders of the New Endemic Australian Genus Cavisternum (Araneae: Oonopidae), American Museum Novitates 3684, pp. 1-40 : 20-21

Cavisternum carae , new species

Figures 13 , 95–97 , map 2

TYPE: AUSTRALIA: Northern Territory: Male holotype from Douglas Daly , 13 ° 50 9 S, 131 ° 11 9 E (Oct. 1997, T.B. Churchill; PBI_OON 00005434), deposited in WAM (T82256) .

ETYMOLOGY: The specific name is a patronym in honor of Cara Churchill, the daughter of Tracey Churchill who was the collector of the holotype and many other interesting oonopid spiders.

DIAGNOSIS: Males of C. carae resemble those of C. bertmaini with the sternal concavity occupying about half the sternal length (fig. 13) and the epigastric scutum strongly protruding. Males of C. carae can be separat- ed by their broad, medially bent embolus with a tiny retrobasal spike (fig. 97).

MALE: Total length 1.10. Carapace 0.49 long, 0.37 wide; abdomen 0.61 long, 0.32 wide. Carapace, sternum, mouthparts, and abdominal scutae pale orange, legs yellow. Sternum longer than wide, concavity small with dropshaped field of clavate setae, covering about M of sternum width and K of sternum length at posterior median part of sternum (fig. 13). Cheliceral fangs elongated, tips bent posteromedially forming V shape, tip widened distally (fig. 13). Abdomen cylindrical, epigastric scutum strongly protruding. Cymbiumbulb complex square with a broad, medially bent embolus with a tiny retrobasal spike (figs. 95–97).

FEMALE: Unknown.

DISTRIBUTION: This species is recorded only from the type locality, in northwestern Northern Territory (map 2) .

Figures

Figs. 10–17. Cavisternum species, males, sterna and chelicerae, ventral view. 10. C. bagleyae (PBI_OON 06235). 11. C. barthorum (PBI_OON 06073). 12. C. bertmaini (PBI_OON 05440). 13. C. carae (PBI_OON 05434). 14. C. digweedi (PBI_OON 05438). 15. C. foxae (PBI_OON 06069). 16. C. gatangel (PBI_OON 06070). 17. C. heywoodi (PBI_OON 07474).

Figs. 95–97. Cavisternum carae, new species, male palp (PBI_OON 05434). 95. Prolateral view. 96. Retrolateral view. 97. Dorsal view.