The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna Platnick, Norman I. Berniker, Lily Víquez, Carlos American Museum Novitates 2014 2014-01-06 2014 3794 1 76 YWCR Platnick & Berniker & Víquez, 2014 Platnick & Berniker & Víquez 2014 [396,600,1031,1057] Arachnida Oonopidae Costarina Animalia Araneae 5 6 Arthropoda species monte sp. nov.   TYPES: Male holotypeand female allotypefrom litter taken at an elevation of  1500 mat Monteverde, Puntarenas, Costa Rica(  Aug. 28, 1983; J., F. Murphy), deposited in AMNH(PBI_ OON 36793).  DIAGNOSIS: Males have a distinctive embolus, with a broad, ridged distal prong and a narrow proximal prong that is widened at about one-fourth of its length (figs. 67–72); females have a short, wide genital atrium with a posteromedian enlargement of the posterior margin (figs. 76, 77).  MALE (PBI_OON 36793, figs. 67–72): Total length 2.11. Endite ventral process basally wide, distally narrow, tip heavily sclerotized; dorsal process with elongate tip. Femur I r0-1-0; tibia II v4-4-0. Embolus proximal prong long, narrow, abruptly bent at about half its length; distal prong enlarged, dorsally ridged ( N =10). FEMALE (PBI_OON 36793, figs. 73–77): Total length 2.20. Spination typical. Genital atrium short, wide, posterior margin with wide posteromedian enlargement ( N =3).  DISTRIBUTION: Northern Puntarenas. OON 36793 1983-08-28 AMNH J., F. Murphy Costa Rica 1500 Male Monteverde 5 6 2 Puntarenas holotype