Enna frijoles, 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 : 65-66

Enna frijoles new species

Figs 14, 15

Type. Female holotype from Canal Zone, Frijoles river, Panama [09°07’09.82”N, 79°43’12.93’W], 19.II.1976, A. Newton ( MCZ 91419).

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

Diagnosis. The female of E. frijoles sp. nov. resembles those of E. nesiotes Chamberlin, 1925 by the shape of the middle field (MF) of the epigynum and by the short and curved spermathecae ( Silva et al. 2008, p. 82, figs 18, 19), but can be distinguished by a smooth middle field of epigynum without excavations ( Fig. 14 ) and by the conspicuous copulatory openings (CO) ( Fig. 14 ).

Description. Female (Holotype, Canal Zone, Frijoles river, Panama, MCZ 91419). Total length 5.97. Carapace 3.07 long, 2.82 wide, light brown, with irregular dark brown pattern laterally; scattered setae. Clypeus brownish, 0.26 high. Anterior eye row straight, 0.82 wide; posterior 1.50 wide. Eye diameters, interdistances, and median ocular quadrangle: AME 0.14, ALE 0.10, PME 0.16, PLE 0.14; AME-AME 0.16, AME-ALE 0.06, PME-PME 0.52, PME-PLE 0.28, OQA 0.46, OQP 0.88, OQH 0.44. Chelicerae reddish-brown bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish, darker laterally; bristly, 1.32 long, 1.49 wide. Labium light brown, slightly darker laterally, 0.49 long, 0.49 wide. Legs light brown, with irregular dark spots on femora, relative length: IV-II-I-III. Leg measurements: I—femur 2.65/ tibia-patella 3.81/ metatarsus 2.63/ tarsus 1.07/ total 10.16; II—3.23/ 3.98/ 2.24/ 1.03/ 10.48; III—2.73/ 3.32/ 2.49/ 0.83/ 9.37; IV— 3.32/ 4.23/ 3.56/ 1.16/ 12.27. Ventral pairs of macrosetae on tibiae: I-4; II-4; III-3; IV-3. Abdomen 3.07 long, grayish, with irregular dark brown bands laterally, bristly. Venter light gray. Middle field of epigynum wide, smooth and not projected ( Fig. 14 ). Head of spermathecae (HS) short and small ( Fig. 15 ).

Distribution. Known only from the type locality (Canal Zone, Panama).

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).