Enna carinata, 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: 61-63

publication ID

http://doi.org/ 10.5281/zenodo.206513

persistent identifier

http://treatment.plazi.org/id/039E87E0-D378-D14F-1CAB-FB01CD883204

treatment provided by

Plazi

scientific name

Enna carinata
status

new species

Enna carinata  new species

Figs 1, 2View FIGURES 1 – 8

Type. Male holotype from Colon Province, Santa Rosa, Panama [09°02’00.38”N, 80 ° 10 ’03.10’W], XI. 1945, C. D. Michener ( AMNH).

Etymology. The specific name is an adjective referring to the marked and conspicuous lateral carina on the male chelicerae.

Diagnosis. The male of E. carinata  sp. nov. resembles those of E. igarape Silva, Lise & Carico, 2008  by the presence of the ventral division of the median apophysis (VD) ( Silva et al. 2008, p. 96, figs 100, 101), but can be distinguished by the shorter and wider ectal division (ECD) of the retrolateral tibial apophysis (RTA) ( Fig. 2View FIGURES 1 – 8).

Description. Male (Holotype, Colon Province, Santa Rosa, Panama, AMNH). Total length 6.47. Carapace 3.65 long, 2.82 wide, light brown, darker laterally. Clypeus light brown, 0.26 high. Anterior eye row straight, 0.66 wide; posterior 1.40 wide. Eye diameters, interdistances, and median ocular quadrangle: AME 0.12, ALE 0.06, PME 0.16, PLE 0.20; AME-AME 0.22, AME-ALE 0.24, PME-PME 0.60, PME-PLE 0.08, OQA 0.46, OQP 0.90, OQH 0.48. Chelicerae light brown, glabrous, with marked and conspicuous lateral carina; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish with scattered setae; 1.66 long, 1.49 wide. Labium yellowish, 0.49 long, 0.58 wide. Legs light brown, relative length: II-IV-III. Leg measurements: I—femur 4.15 (only left femur of leg I present); II—femur 4.31 / tibia-patella 5.56 / metatarsus 3.73 / tarsus 1.66 / total 15.26; III— 3.15 / 4.15 / 2.98 / 1.24 / 11.52; IV— 4.12 / 4.98 / 4.15 / 1.74 / 14.99. Ventral pairs of macrosetae on tibiae: I- 4; II- 4; III- 3; IV- 3. Abdomen 2.57 long, grayish, with several irregular white patches on dorsum. Venter grayish, with scattered setae. Palpus with enlarged dorsal division of the median apophysis (DD, Fig. 1View FIGURES 1 – 8). Retrolateral tibial apophysis with a short and wide ectal division (ECD, Fig. 2View FIGURES 1 – 8).

Distribution. Known only from the type locality (Colon Province, Santa Rosa, Panama). Female. Unknown.

AMNH

American Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Trechaleidae

Genus

Enna