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 6B8VY Platnick & Berniker & Víquez, 2014 Platnick & Berniker & Víquez 2014 [385,582,1180,1207] Arachnida Oonopidae Costarina Animalia Araneae 6 7 Arthropoda species upala sp. nov.  DIAGNOSIS: Males can easily be recognized by the large, basally twisted distal embolar prong (figs. 100–105), females by the fully fused ventral scuta, the protuberant genital atrium, and the posterolaterally enlarged posterior genitalic elements (figs. 107–110).  MALE (PBI_OON 49955, figs. 100–105): Total length 1.72. Both processes of endite basally widened, with arched tips. Femur I r0-1-1; tibia II v3-4-0. Embolus distal prong widened distally, ventral portions translucent; proximal prong short, narrow ( N =12). FEMALE (PBI_OON 49955, figs. 106–110): Total length 2.00. Spination typical. Genital atrium oval, with surface convex, protuberant ( N =6).  DISTRIBUTION: Alajuela. OON 49954 INBIO C. Viquez Costa Rica Alajuela 6 7 2 Alajuela holotype