Costarina chiles, 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 : 7

Costarina chiles , new species ( Figures 89–99 )

TYPES: Male holotype and female allotype from mini-Winkler sample taken at an elevation of 100 m at Finca San Luis, Los Chiles , Alajuela, Costa Rica (Feb. 8, 2009; M. Solis, B. Hernández), deposited in INBIO (96607, PBI_OON 1680) .

DIAGNOSIS: Males have a greatly widened proximal embolar prong (figs. 89–94); females have fully fused ventral scuta and a short, distally widened anterior genitalic process (figs. 96–99).

MALE (PBI_OON 1680, figs. 89–94): Total length 1.65. Endite ventral process long, narrow, heavily sclerotized, tip nearly touching tip of long, narrow dorsal process in clawlike formation. Femur I r0-1-1; tibiae I, II v4-4-0; metatarsus II v2-2-0. Embolus distal prong narrow, arched; proximal prong greatly widened (N = 2).

FEMALE (PBI_OON 1680, figs. 95–99): Total length 1.85. Metatarsus I v2-2- 1p. Genital atrium moderately long, very wide, anterior and posterior margins rebordered (N = 3).

DISTRIBUTION: Alajuela.

Figures

FIGURES 89–99. Costarina chiles, new species, male (89–94) and female (95–99). 89. Left palp, prolateral view. 90. Same, ventral view. 91. Same, retrolateral view. 92. Left embolus, prolateral view. 93. Same, ventral view. 94. Same, retrolateral view. 95. Sternum, ventral view. 96. Abdomen, lateral view. 97. Same, ventral view. 98. Digested female genitalia, ventral view. 99. Same, dorsal view.