Costarina monte, 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 : 6

Costarina monte , new species ( Figures 67–77 )

TYPES: Male holotype and female allotype from litter taken at an elevation of 1500 m at 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.

Figures

FIGURES 67–77. Costarina monte, new species, male (67–72) and female (73–77). 67. Left palp, prolateral view. 68. Same, ventral view. 69. Same, retrolateral view. 70. Left embolus, prolateral view. 71. Same, ventral view. 72. Same, retrolateral view. 73. Sternum, ventral view. 74. Abdomen, lateral view. 75. Same, ventral view. 76. Digested female genitalia, ventral view. 77. Same, dorsal view.