Enna caparao, 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: 50-53

publication ID

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

persistent identifier

http://treatment.plazi.org/id/41735161-FFD3-6415-FF07-801DE43AFD95

treatment provided by

Plazi

scientific name

Enna caparao
status

new species

Enna caparao  new species

Figs. 4View FIGURES 1 – 4, 14– 16View FIGURES 5 – 16. 5 – 7

Type material: Holotype: female holotype from Alto Caparaó  , Parque Nacional do Caparaó  , Minas Gerais, Brazil [20 ° 25 ’S, 41 ° 52 ’W], 01–07.V. 2002, Equipe Biota ( IBSP 52750).

Paratypes: BRAZIL: Rio de Janeiro: Teresópolis, Parque Nacional da Serra dos Órgãos [22 ° 27 ’S, 42 ° 59 ’W], 1 Ƥ, 18–22.VIII. 2001, Equipe Biota ( IBSP 52859); São Paulo: Paranapiacaba, Estação Biológica Alto da Serra [23 ° 46 ’S, 46 º 18 ’W], 1 Ƥ, 13.XII. 1996, R. Pinto da Rocha ( MZSP 17641), same locality, 1 Ƥ, 27.X. 1951, W. Bokermann ( MZSP 11453).

Etymology. The specific name is a noun in apposition taken from the type locality.

Diagnosis. The female of E. caparao  sp. n. can be distinguished from all known species by the two lateral excavations on the epigynal middle field ( Fig. 14View FIGURES 5 – 16. 5 – 7), the slightly projected scape ( Fig. 15View FIGURES 5 – 16. 5 – 7) and by the presence of conspicuous accessory spermathecae ( Fig. 16View FIGURES 5 – 16. 5 – 7).

Description. Female (Holotype, IBSP 52750). Total length 9.31. Carapace, 4.38 long, 3.99 wide, light brown, darker laterally, with two brownish thin median bands ( Fig. 4View FIGURES 1 – 4). Clypeus yellowish, darker laterally, 0.30 high. Anterior eye row straight, 1.14 wide; posterior 1.80 wide, recurved. Eye diameters, interdistances, and median ocular quadrangle: AME 0.20, ALE 0.14, PME 0.26, PLE 0.30; AME-AME 0.14, AME-ALE 0.10, PME-PME 0.42, PME-PLE 0.32, OQA 0.58, OQP 0.88, OQH 0.62. Chelicerae red-brownish, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellowish, bristly; 1.79 long, 2.01 wide. Labium brownish, 0.71 long, 0.77 wide. Legs light brown with dark brown annuli on femora, relative length: IV-I-II-III, I – femur 5.18 / tibia-patella 7.18 / metatarsus 4.65 / tarsus 2.40 / total 19.41; II – 5.32 / 7.04 / 4.78 / 2.26 / 19.40; III – 4.52 / 5.18 / 3.98 / 1.59 / 15.27; IV – 4.93 / 6.38 / 5.58 / 1.99 / 18.88. Ventral pairs of macrosetae on tibiae: I- 4; II- 4; III- 3; IV- 3. Abdomen, 4.92 long, yellowish with irregular grayish dots, bristly ( Fig. 4View FIGURES 1 – 4). Venter yellowish, with scattered setae. Median field of epigynum with two small lateral excavations ( Fig. 14View FIGURES 5 – 16. 5 – 7), scape slightly projected ( Fig. 15View FIGURES 5 – 16. 5 – 7); head of spermathecae rounded at apex ( Fig. 16View FIGURES 5 – 16. 5 – 7).

Distribution. Brazil (states of Minas Gerais, São Paulo and Rio de Janeiro).

IBSP

Instituto Biologico de Sao Paulo

MZSP

Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Trechaleidae

Genus

Enna