Enna zurqui, 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: 67

publication ID

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

persistent identifier

http://treatment.plazi.org/id/039E87E0-D37E-D14B-1CAB-FF74CDAE34EE

treatment provided by

Plazi

scientific name

Enna zurqui
status

new species

Enna zurqui  new species

Figs 16, 17View FIGURES 12 – 17

Type. Female holotype from San Jose, Zurqui  , Costa Rica [09° 54 ’ 37.90 ”N, 84 °03’ 15.17 ’W], 14.IX. 1995, B. A. Hüber ( MCZ 90521View Materials).

Etymology. The specific name is a noun and refers to the type locality.

Diagnosis. The female of E. zurqui  sp. nov. resembles those of E. meridionalis Silva & Lise, 2009  by the general shape of the median field of epigynum ( Silva & Lise 2009 b, p. 50, fig. 11), but can be distinguished by the strongly excavated anterior margin of the epigynum ( Fig. 16View FIGURES 12 – 17) and by the small projections on the head of spermathecae (HS) ( Fig. 17View FIGURES 12 – 17).

Description. Female (Holotype, San Jose, Zurqui  , Costa Rica, MCZ 90521View Materials). Total length 8.30. Carapace 4.23 long, 3.56 wide, light brown, with two irregular white lateral bands, darker laterally. Clypeus brownish, 0.32 high. Anterior eye row straight, 0.98 wide; posterior 1.92 wide. Eye diameters, interdistances, and median ocular quadrangle: AME 0.18, ALE 0.10, PME 0.22, PLE 0.26; AME-AME 0.13, AME-ALE 0.10, PME-PME 0.56, PME- PLE 0.34, OQA 0.54, OQP 1.06, OQH 0.60. Chelicerae reddish-brown, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish with scattered setae; 1.82 long, 1.90 wide. Labium dark brown, slightly lighter distally, 0.83 long, 0.66 wide. Legs brownish, with irregular dark brown marks on femora, relative length: IV-II-I-III. Leg measurements: I—femur 4.15 / tibia-patella 5.47 / metatarsus 4.06 / tarsus 1.49 / total 15.17; II— 4.39 / 5.39 / 4.10 / 1.41 / 15.29; III— 3.81 / 4.23 / 3.48 / 1.26 / 12.78; IV— 3.98 / 5.14 / 4.64 / 1.66 / 15.42. Ventral pairs of macrosetae on tibiae: I- 4; II- 4; III- 3; IV- 3. Abdomen 3.81 long, dorsum dark gray, with a irregular whitish band, scattered setae and three pairs of sigilla. Venter grayish, with scattered setae. Epigynum excavated at the anterior margin ( Fig. 16View FIGURES 12 – 17) and head of spermathecae (HS) with small projections ( Fig. 17View FIGURES 12 – 17).

Distribution. Known only from the type locality (San Jose, Costa Rica).

Male. Unknown.

MCZ

Museum of Comparative Zoology

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Trechaleidae

Genus

Enna