Chococtenus piemontana, Dupérré, Nadine, 2015

Dupérré, Nadine, 2015, Description of a new genus and thirteen new species of Ctenidae (Araneae, Ctenidae) from the Chocó region of Ecuador, Zootaxa 4028 (4), pp. 451-484 : 472

Chococtenus piemontana new species

Figs 42, 43, 57.

Type material. Male holotype from Ecuador, Santo Domingo de los Tsáchilas, Otonga Biological Reserve, Las Damas (- 00.39506°S - 78.98100°W), 23.vii.–05.viii. 2014, pitfall, 1209 m, E. Tapia, C. Tapia, N. Dupérré ( QCAZ).

Additional material examined. Ecuador: Santo Domingo de las Tsáchilas Province: Las Palmeras (- 0.35139°S - 78.95028°W) 1 ♂, 26.ix. 2010, 1150 m, J. Cobo ( QCAZ).

Etymology. The specific name is a noun in apposition taken from the Spanish language, meaning the type of forest where the spider occur, premontane forest.

Diagnosis. Males are distinguished by the unique, curved retrolateral tibial apophysis ( Fig. 43).

Description. Male ( holotype). Total length: 9.0; carapace length: 4.1; carapace width: 3.6; abdomen length: 4.9. COLORATION: Carapace and abdomen as in C. otonga . Legs III-IV with black marks on femurs, tibiae and metatarsi. LEGS: Total length: I: missing; II: missing; III: 21.5; IV: 25.0. LEGS SPINATION: Femur III pl- 1 - 1 - 1, r 1 - 1 - 1 - 1; tibia III p 1 - 1, r 1 - 1, d 1 - 1 - 1, v 2 - 2 - 2; metatarsus III p 1 - 1 - 1, r 1 - 1 - 1, v 2 - 2 - 1. Femur IV pl- 1 - 1, r 1 - 1 - 1; tibia IV p 1 - 1 - 1, r 1 - 1 - 1, d 1 - 0-1, v 1 - 1 -2; metatarsus IV p 1 - 1 - 1, r 1 - 1 - 1, v 1 - 1 - 1 - 1. GENITALIA: Palpal cymbial keel strong ( Fig. 42). Ventral tibial apophysis rounded, apically transparent, retrolateral tibial apophysis curved ( Figs 42, 43). Tegulum oval; median apophysis wide, with small projection prolaterally; conductor lamelliform, short, hyaline; membranous tegular process rectangular, very short; embolus base not twisted; embolus wide basally, originating prolaterally, tip with triangular projection ( Fig. 42).

Female. Unknown.

Natural history. Specimens were collected between 1150–1209 m in premontane evergreen forest.

Distribution. Ecuador: Santo Domingo de los Tsáchilas Province ( Fig. 57).