Costarina palmar, 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

Costarina palmar , new species ( Figures 505–515 )

TYPES: Male holotype and two male paratypes 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 51290) .

DIAGNOSIS: Males can be recognized by the arched distal embolar prong and transversely oriented proximal embolar prong (figs. 505–510); females resemble those of C. gemelo (cf. figs. 450–460) and C. pittier (cf. figs. 461–471) in having long apodemes, a distally narrow anterior genitalic process, and a short postepigastric scutum, but have a smaller genital atrium than do those of C. gemelo , and lack the heavily sclerotized posterior genitalic elements found in those of C. pittier (figs. 512–515).

MALE (PBI_OON 51290, figs. 505–510): Total length 1.63. Endite ventral process small; dorsal process elongated. Femur I r0-1-0. Embolus proximal prong transverse, scoop shaped in ventral view; distal prong arched (N = 17).

FEMALE (PBI_OON 29771, figs. 511–515): Total length 2.05. Spination typical. Genital atrium almost rectangular (N = 13).

DISTRIBUTION: Southern Puntarenas, including the Osa Peninsula.

Figures

FIGURES 505–515. Costarina palmar, new species, male (505–510) and female (511–515). 505. Left palp, prolateral view. 506. Same, ventral view. 507. Same, retrolateral view. 508. Left embolus, prolateral view. 509. Same, ventral view. 510. Same, retrolateral view. 511. Sternum, ventral view. 512. Abdomen, lateral view. 513. Same, ventral view. 514. Digested female genitalia, ventral view. 515. Same, dorsal view.