Enna segredo, Cruz, Estevam L., Silva, Da & Lise, Arno A., 2009

Cruz, Estevam L., Silva, Da & Lise, Arno A., 2009, Four new species of the Neotropical spider genus Enna (Araneae, Lycosoidea, Trechaleidae) from Brazil, Zootaxa 2289, pp. 48-54: 49-50

publication ID

http://doi.org/ 10.5281/zenodo.275291

persistent identifier

http://treatment.plazi.org/id/41735161-FFD0-6412-FF07-8370E370FE5B

treatment provided by

Plazi

scientific name

Enna segredo
status

new species

Enna segredo  new species

Figs. 2View FIGURES 1 – 4, 8– 10View FIGURES 5 – 16. 5 – 7

Type material: Holotype: female from Usina Hidrelétrica de Segredo  (Reservatório do rio Jordão/Candói/ Mangueirinha), Paraná, Brazil [23 ° 46 ’S, 46 ° 18 ’W], IV. 1996, R. Bertani ( IBSP 11678).

Paratypes: 2 Ƥ, same data as holotype ( IBSP 11650, 11169).

Etymology. The specific name is a noun in apposition referring to the type locality.

Diagnosis. The female of E. segredo  sp. n. is similar to the one of E. estebanensis (Simon, 1898)  ( Silva et al., 2008, p. 92, figs. 68–70) by the shape of the anterior margin of the middle field of epigynum ( Fig. 8View FIGURES 5 – 16. 5 – 7), but can be distinguished by an elevation on the central area of middle field (MF) ( Figs. 8, 9View FIGURES 5 – 16. 5 – 7) and by the prominent median septum (MS) ( Fig. 10View FIGURES 5 – 16. 5 – 7).

Description. Female (Holotype, IBSP 11678). Total length 9.70. Carapace 4.92 long, 4.38 wide, dark brown, with three light brown one median and lateral stripes, darker laterally ( Fig. 2View FIGURES 1 – 4). Clypeus light brown, bristly, 0.40 high. Anterior eye row straight, 1.04 wide; posterior 2.03 wide, recurved. Eye diameters, interdistances, and median ocular quadrangle: AME 0.16, ALE 0.14, PME 0.22, PLE 0.26; AME-AME 0.20, AME-ALE 0.10, PME-PME 0.50, PME-PLE 0.42, OQA 0.48, OQP 0.99, OQH 0.63. Chelicerae dark brown, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish, bristly; 4.39 long, 4.89 wide. Labium dark brown, lighter posteriorly, 1.99 long, 1.90 wide. Legs brownish with light brown annuli on femora, relative length: IV-I-II-III, I – femur 4.23 / tibia-patella 5.56 / metatarsus 3.73 / tarsus 1.82 / total 15.34; II – 4.31 / 5.47 / 3.57 / 1.74 / 15.09; III – 3.48 / 4.15 / 3.90 / 1.41 / 12.94; IV – 4.33 / 5.22 / 3.98 / 1.90 / 15.43. Ventral pairs of macrosetae on tibiae: I- 4; II- 4; III- 3; IV- 3. Abdomen, 4.78 long, grayish, bristly ( Fig. 2View FIGURES 1 – 4). Venter grayish, with scattered setae. Middle field of epigynum elevated and scape slightly projected ( Figs. 8, 9View FIGURES 5 – 16. 5 – 7); spermathecae short and elliptical with long copulatory duct (CD) ( Fig. 10View FIGURES 5 – 16. 5 – 7).

Distribution. Known only from the type locality.

IBSP

Instituto Biologico de Sao Paulo

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Trechaleidae

Genus

Enna