Seven new species of Enna (Araneae: Trechaleidae) from Central and South America Author Cruz, Estevam L. Author Silva, Da Author Lise, Arno A. text Zootaxa 2011 2919 60 68 journal article 46646 10.5281/zenodo.206513 3c536076-5504-4715-9a96-930397f8e6ce 1175-5326 206513 Enna silvae new species Figs 12, 13 Type . Female holotype from Madre de Dios, 15 km E from Puerto Maldonado, Peru [ 11°45’33.54”S , 70°48’52.44’W], 17.VII.1989 , D. Silva ( MUSM ). Paratypes : two females, same locality and data as holotype ( MUSM , MCTP 8868) Etymology. The specific name is a matronym in honor of the collector of the types , Diana Silva. Diagnosis. The females of E. silvae sp. nov. resembles those of E. hara Silva, Lise & Carico, 2008 by the shape of the middle field of the epigynum (MF) ( Silva et al . 2008 , p. 94, fig. 76), but can be distinguished by smooth median area of the middle field of the epigynum (MF) ( Fig. 12 ) and by the rounded head of spermathecae ( Fig. 13 ). Description. Female ( Holotype , Madre de Dios, Peru , MUSM). Total length 4.81. Carapace 2.24 long, 2.07 wide, dark brown with a median light brown band. Clypeus dark brown, 0.18 high. Anterior eye row slightly recurved, 0.60 wide; posterior 1.24 wide. Eye diameters, interdistances, and median ocular quadrangle: AME 0.12, ALE 0.08, PME 0.18, PLE 0.20; AME-AME 0.10, AME-ALE 0.02, PME-PME 0.30, PME-PLE 0.16, OQA 0.36, OQP 0.72, OQH 0.44. Chelicerae dark brown, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum light brown, with dark brown patches laterally; scattered setae; 0.99 long, 0.91 wide. Labium dark brown, lighter distally, 0.33 long, 0.41 wide. Legs light brown with dark brown annuli on femora, relative length: IV-I-II-III. Leg measurements: I—femur 2.49/ tibia-patella 3.32/ metatarsus 2.40/ tarsus 0.99/ total 9.20; II—2.24/ 3.40/ 2.24/ 0.91/ 8.79; III—1.99/ 2.33/ 1.90/ 0.83/ 7.05; IV—2.40/ 2.98/ 2.90/ 1.03/ 9.31. Ventral pairs of macrosetae on tibiae: I-4 ; II-4 ; III-3 ; IV-3. Abdomen 2.49 long, dark gray, with several irregular white patches on dorsum. Venter grayish, with scattered setae. Middle field of the epigynum (MF) smooth and not projected ( Fig. 12 ). Head of spermathecae rounded and with inconspicuous fertilization ducts (FD) ( Fig. 13 ). Distribution. Known only from the type locality (Madre de Dios, Peru ). Male. Unknown.