Costarina semibio, 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 : 74

Costarina semibio , new species ( Figures 527–537 )

TYPES: Male holotype, female allotype, and two male paratypes taken at an elevation of 130 m at a site 13 km south-southwest of Puerto Jiménez , 8.40667°N, 83.32833°W, Puntarenas, Costa Rica (Mar. 10, 2008; J. Longino), deposited in MCZ (PBI_OON 38101) .

ETYMOLOGY: T he specific name is an arbitrary combination of letters.

DIAGNOSIS: Males resemble those of C. obtina (cf. figs. 439–449) but have a longer distal embolar prong (figs. 527–532); females have a wider anterior genitalic process and shorter, more widely separated apodemes (figs. 536, 537).

MALE (PBI_OON 38101, figs. 527–532): Total length 1.97. Endite ventral process long, sharply pointed; dorsal process strongly arched. Femur I r0-1-1; tibia I v4-4-2; metatarsus I v2-2-2. Embolus with both prongs sinuous, distal prong with tip directed distally (N = 11).

FEMALE (PBI_OON 38101, figs. 533–537): Total length 2.00. Spination typical. Genital atrium with pair of widely separated, posterolateral apodemal lobes (N = 12).

DISTRIBUTION: Southern Puntarenas (known only from the Osa Peninsula).

Figures

FIGURES 527–537. Costarina semibio, new species, male (527–532) and female (533–537). 527. Left palp, prolateral view. 528. Same, ventral view. 529. Same, retrolateral view. 530. Left embolus, prolateral view. 531. Same, ventral view. 532. Same, retrolateral view. 533. Sternum, ventral view. 534. Abdomen, lateral view. 535. Same, ventral view. 536. Digested female genitalia, ventral view. 537. Same, dorsal view.