Enna meridionalis, 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: 50

publication ID

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

persistent identifier

http://treatment.plazi.org/id/41735161-FFD3-6412-FF07-8403E370FA31

treatment provided by

Plazi

scientific name

Enna meridionalis
status

new species

Enna meridionalis  new species

Figs. 3View FIGURES 1 – 4, 11– 13View FIGURES 5 – 16. 5 – 7

Type material: Holotype: female from Cruzeiro do Iguaçu, Dois Vizinhos, Foz do rio Chopim, Paraná, Brazil [25 ° 37 ’S, 53 °08’W], 08– 15.X. 1998, Equipe IBSP ( IBSP 21155). Paratype: one female, same data as holotype ( IBSP 21045).

Etymology. The specific name is a noun and means “from South”, referring to the type locality in southern Brazil.

Diagnosis. The female of E. meridionalis  sp. n. is similar to E. hara Silva, Lise & Carico, 2008  (p. 93, figs. 74–76) by the general shape and by the small sulci on the middle field of epigynum ( Figs. 11, 12View FIGURES 5 – 16. 5 – 7), but can be distinguished by the short and round head of spermathecae ( Fig. 13View FIGURES 5 – 16. 5 – 7).

Description. Female (Holotype, IBSP 21155). Total length 6.64. Carapace, 2.57 long, 2.32 wide, dark brown, with a light brown median band ( Fig. 3View FIGURES 1 – 4). Clypeus light brown, 0.26 high. Anterior eye row straight, 0.74 wide; posterior 1.42 wide, recurved. Eye diameters, interdistances, and median ocular quadrangle: AME 0.14, ALE 0.12, PME 0.20, PLE 0.31; AME-AME 0.14, AME-ALE 0.05, PME-PME 0.36, PME-PLE 0.22, OQA 0.42, OQP 0.82, OQH 0.50. Chelicerae red-brownish, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish, bristly; 2.98 long, 1.57 wide. Labium yellowish, 0.99 long, 1.23 wide. Legs brownish with dark brown spots, relative length: IV-I-II-III, I – femur 2.40 / tibia-patella 3.90 / metatarsus 2.49 / tarsus 1.24 / total 10.03; II – 2.82 / 3.56 / 2.45 / 1.16 / 9.99; III – 1.83 / 2.57 / 2.15 / 1.07 / 7.62; IV – 2.83 / 3.48 / 3.32 / 1.18 / 10.81. Ventral pairs of macrosetae on tibiae: I- 4; II- 4; III- 3; IV- 3. Abdomen, 3.81 long, grayish, with scattered setae and sparse small light dots ( Fig. 3View FIGURES 1 – 4). Venter whitish, with scattered setae. Middle field of epigynum with a small median excavation ( Fig. 11, 12View FIGURES 5 – 16. 5 – 7), scape slightly projected ( Fig. 12View FIGURES 5 – 16. 5 – 7); spermathecae rounded at apex ( Fig. 13View 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