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 chonta , new species ( Figures 337–347 ) TYPE: Male holotype sifted from moss and litter in a bog at an elevation of 2500 m at La Chonta , km 54 on the Inter-American Highway, 9°43′N , 83°56′W , Cartago , Costa Rica ( Mar. 26–27, 1999 ; J. Miller ), deposited in USNM (PBI_OON 27839) . DIAGNOSIS: Males resemble those of C. poas (cf. figs. 111–121), but the heavily sclerotized portion of the distal embolar prong is shorter and more rounded (figs. 337–342); the female here associated resembles that of C. plena (cf. figs. 1–11) but has a small, triangular genital atrium (figs. 346, 347). MALE (PBI_OON 27839, figs. 337–342): Total length 2.44. Endite ventral process ventrally arched; dorsal process with sharply pointed tip. Femur I r1-1-0. Embolus proximal prong almost obsolete; distal prong with wide translucent flange which is much larger than more heavily sclerotized, retrolateral portion of prong ( N = 2). FEMALE (PBI_OON 29829, figs. 343–347): Total length 2.17. Spination typical. Genital atrium relatively small, almost completely filled with protuberant sclerotization ( N = 1). DISTRIBUTION: Cartago .