Seven new species of Enna (Araneae: Trechaleidae) from Central and South America Cruz, Estevam L. Silva, Da Lise, Arno A. Zootaxa 2011 2919 60 68 39VKZ [151,293,583,609] Arachnida Trechaleidae Enna Animalia Araneae 5 65 Arthropoda species silvae sp. nov.    Type.Female holotypefrom Madre de Dios, 15 kmE 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, MCTP8868)   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, 2008by 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 typelocality (Madre de Dios, Peru).   Male.Unknown.