Costarina cuerici, 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 : 13-14

Costarina cuerici , new species ( Figures 279–289 )

TYPES: Male holotype and female allotype from leaf litter taken at an elevation of 2640– 2700 m around the Estación Biológica de Cuerici, 4.6 km east of Villa Mills, San José , Costa Rica (Nov. 26, 1995; A. Picado), deposited in INBIO (45775, PBI_OON 51240) .

DIAGNOSIS: Males resemble those of C. junio (cf. figs. 290–300) in having a distally twisted distal embolar prong, but have the proximal prong broadly fused to the distal prong at its base (figs. 279–284); females have distinctively arched posterior genitalic elements (figs. 288, 289).

MALE (PBI_OON 51240, figs. 279–284): Total length 2.40. Endite ventral process with arched ventral surface; dorsal process narrow. Femur II p0-0-1; tibia II v4-4-2. Embolus proximal prong tiny, spur shaped; distal prong huge, with translucent prolateral flange (N = 6).

FEMALE (PBI_OON 51240, figs. 285–289): Total length 2.54. Tibia II v4-4-2. Genital atrium containing distinctive triangular sclerotization, posterior genitalic elements strongly arched (N = 4). DISTRIBUTION: San José and Cartago .

Figures

FIGURES 279–289. Costarina cuerici, new species, male (279–284) and female (285–289). 279. Left palp, prolateral view. 280. Same, ventral view. 281. Same, retrolateral view. 282. Left embolus, prolateral view. 283. Same, ventral view. 284. Same, retrolateral view. 285. Sternum, ventral view. 286. Abdomen, lateral view. 287. Same, ventral view. 288. Digested female genitalia, ventral view. 289. Same, dorsal view.