Costarina parabio, Platnick & Berniker & Víquez, 2014

Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 73-74

Costarina parabio , new species ( Figures 516–526 )

TYPES: Male holotype and male paratype taken by sifting litter in a tropical moist forest at an elevation of 100 m at a site 3 km south of Palmar Norte , Puntarenas, Costa Rica (May 24, 1987; D. Ubick), deposited in CAS (PBI_OON 49595) .

ETYMOLOGY: T he specific name is an arbitrary combination of letters.

DIAGNOSIS: Males resemble those of C. obtina (cf. figs. 439–449), but have a narrower, more angular distal embolar prong (figs. 516–521); females have two small sclerotizations reaching to near the anterior margin of the genital atrium (figs. 525, 526).

MALE (PBI_OON 49595, figs. 516–521): Total length 1.77. Endite ventral process relatively short, wide; dorsal process narrow, arched. Femur I r0-1-1; tibia I v4-4-1; metatarsus I v2-2-2. Embolus proximal prong with retrolaterally directed spur; distal prong with angularly notched tip (N = 5).

FEMALE (PBI_OON 29768, figs. 522–526): Total length 1.98. Spination typical. Genital atrium with pair of small sclerotizations near anterior margin (N = 1).

DISTRIBUTION: Southern Puntarenas, including the Osa Peninsula.

Figures

FIGURES 516–526. Costarina parabio, new species, male (516–521) and female (522–526). 516. Left palp, prolateral view. 517. Same, ventral view. 518. Same, retrolateral view. 519. Left embolus, prolateral view. 520. Same, ventral view. 521. Same, retrolateral view. 522. Sternum, ventral view. 523. Abdomen, lateral view. 524. Same, ventral view. 525. Digested female genitalia, ventral view. 526. Same, dorsal view.