Enna zurqui, Cruz, Estevam L., Silva, Da & Lise, Arno A., 2011

Cruz, Estevam L., Silva, Da & Lise, Arno A., 2011, Seven new species of Enna (Araneae: Trechaleidae) from Central and South America, Zootaxa 2919, pp. 60-68 : 67

Enna zurqui new species

Figs 16, 17

Type. Female holotype from San Jose, Zurqui , Costa Rica [09°54’37.90”N, 84°03’15.17’W], 14.IX.1995, B. A. Hüber ( MCZ 90521).

Etymology. The specific name is a noun and refers to the type locality.

Diagnosis. The female of E. zurqui sp. nov. resembles those of E. meridionalis Silva & Lise, 2009 by the general shape of the median field of epigynum ( Silva & Lise 2009b, p. 50, fig. 11), but can be distinguished by the strongly excavated anterior margin of the epigynum ( Fig. 16 ) and by the small projections on the head of spermathecae (HS) ( Fig. 17 ).

Description. Female (Holotype, San Jose, Zurqui , Costa Rica, MCZ 90521). Total length 8.30. Carapace 4.23 long, 3.56 wide, light brown, with two irregular white lateral bands, darker laterally. Clypeus brownish, 0.32 high. Anterior eye row straight, 0.98 wide; posterior 1.92 wide. Eye diameters, interdistances, and median ocular quadrangle: AME 0.18, ALE 0.10, PME 0.22, PLE 0.26; AME-AME 0.13, AME-ALE 0.10, PME-PME 0.56, PME- PLE 0.34, OQA 0.54, OQP 1.06, OQH 0.60. Chelicerae reddish-brown, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish with scattered setae; 1.82 long, 1.90 wide. Labium dark brown, slightly lighter distally, 0.83 long, 0.66 wide. Legs brownish, with irregular dark brown marks on femora, relative length: IV-II-I-III. Leg measurements: I—femur 4.15/ tibia-patella 5.47/ metatarsus 4.06/ tarsus 1.49/ total 15.17; II—4.39/ 5.39/ 4.10/ 1.41/ 15.29; III—3.81/ 4.23/ 3.48/ 1.26/ 12.78; IV—3.98/ 5.14/ 4.64/ 1.66/ 15.42. Ventral pairs of macrosetae on tibiae: I-4; II-4; III-3; IV-3. Abdomen 3.81 long, dorsum dark gray, with a irregular whitish band, scattered setae and three pairs of sigilla. Venter grayish, with scattered setae. Epigynum excavated at the anterior margin ( Fig. 16 ) and head of spermathecae (HS) with small projections ( Fig. 17 ).

Distribution. Known only from the type locality (San Jose, Costa Rica).

Male. Unknown.

Figures

FIGURES 12 – 17. Enna silvae sp. nov. 12, 13. female epigynum (12 ventral, 13 dorsal). Enna frijoles sp. nov. 14, 15. female epigynum (14 ventral, 15 dorsal). Enna zurqui sp. nov. 16, 17. female epigynum (16 ventral, 17 dorsal). (CO, copulatory openings; HS, head of spermathecae).