Chococtenus luchoi, 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 : 472-473

Chococtenus luchoi new species

Figs 44, 45 , 57 .

Type material. Male holotype from Ecuador, Cotopaxi Province, Otonga Biological Reserve (- 00.42261°S - 79.5107°W), 05–19.ix.2014, pitfall, 2225 m, E. Tapia, C. Tapia, N. Dupérré ( QCAZ).

Etymology. The specific name is a patronym in honour of Dr. Luis Coloma, Ecuadorian herpetologist, for its support and his work in conservation of Ecuadorian frogs.

Diagnosis. Male are distinguished by their unique median apophysis with one spur and a rounded projection basally ( Fig. 45 ).

Description. Male (holotype). Carapace length: 4.5; carapace width: 3.9. COLORATION: As in C. otongachi . Legs with 3 black bands on femora. Abdomen missing. LEGS: Total length: I: 28.7; II: 28.0; III: 24.0; IV: 30.1. LEGS SPINATION: Femur I p1-1-1-1, r1-1; tibia I p1-1, r1-1, d1-1-1; metatarsus I p1-1, r1-1-1. Femur II p1-1-1- 1, r1-1-1-1; tibia II p1-1, r1-1, d1-1-1; metatarsus II p1-1-1, r1-1-1. Femur III pl-1-1-1, r1-1-1; tibia III p1-1, r1-1, d1-1-1, v2-2 -2; metatarsus III p1-1-1, r1-1-1, v1-1 -2. Femur IV pl-1-1-1, r1-1-1-1; tibia IV p1-1, r1-1, d1-1-1-1, v2-2 -2; metatarsus IV p1-1-1, r1-1-1, v1-1 -1-2. GENITALIA: Palpal cymbial keel strong ( Fig. 44 ). Ventral tibial apophysis pointed, apically transparent, retrolateral tibial apophysis spine-like ( Figs 44, 45 ). Tegulum oval, median apophysis rounded apically, with spur and rounded projection basally; conductor lamelliform, hyaline; membranous tegular process hyaline, short; embolus base not twisted; embolus wide, originating medially, tip arrow-like ( Fig. 44 ).

Female. Unknown.

Natural history. The only specimen known was collected in a pitfall line set up at 2225 m, the top of the cloud forest.

Distribution. Only known from the type locality ( Fig. 57 ).

Figures

FIGURE 57. Map of Ecuador showing distribution records of the thirteen new species of the genus Chococtenus. The main collecting site, Otonga Biological Reserve (white box with x inside), holds 10 species (not found: C. suffuscus, C. otongachi and C. piemontana). Other known localities for: C. otonga (white lozenge), C. cappuccino (white x), C. lasdamas (white circle), C. suffuscus (white plus sign), C. otongachi (white rectangle) and C. piemontana (upside down white triangle).

FIGURES 44, 45. Chococtenus luchoi new species. 44. Male palp, ventral view. 45. Male palp, retrolateral view.