The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna Author Platnick, Norman I. Author Berniker, Lily Author Víquez, Carlos text American Museum Novitates 2014 2014-01-06 2014 3794 1 76 http://www.bioone.org/doi/abs/10.1206/3794.1 journal article 10.1206/3794.1 0003-0082 5365505 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 .