Chococtenus duendecito, 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 : 474-476

Chococtenus duendecito new species

Figs 46, 47 , 57 .

Type material. Male holotype from Ecuador, Cotopaxi Province, Otonga Biological Reserve (- 00.41433°S - 79.00035°W), 03–16.viii.2014, pitfall, 1888 m, E. Tapia, C. Tapia, N. Dupérré ( QCAZ).

Additional material examined. Ecuador: Cotopaxi Province: Otonga Biological Reserve (- 00.41433°S - 79.00035°W), 24.v.–08. vi.2014, 1 ♂, pitfall, 1888 m, E. Tapia, C. Tapia, N. Dupérré (DTC); 08–21. vi.2014, 1 ♂ (DTC); 19.ix–02. x.2014, 1 ♂ (DTC).

Etymology. The specific name is a noun in apposition taken from the Spanish language, meaning elf. Diagnosis. Male are distinguished by their unique median apophysis with a small basal projection ( Fig. 46 ).

Description. Male (holotype). Total length: 4.1; carapace length: 2.1; carapace width: 1.9; abdomen length: 2.0. COLORATION: As in C. otongachi . Legs with two black bands on femora, tibiae and metatarsi. Abdomen light gray with pale, half length median band. LEGS: Total length: I: 9.0; II: 8.5; III: 8.0; IV: 10.1. LEGS SPINATION: Femur I p1-1-1-1, r1-1; tibia I p1-1, r1-1, d1-1; metatarsus I p1-1, r1-1-1. Femur II p1-1, r1-1-1; tibia II p1-1, r1-1-1, d1-1; metatarsus II p1-1, r1-1. Femur III pl-1, r1-1; tibia III p1-1, r1-1, d1-1, v2-2 -2; metatarsus III p1-1, r1-1-1, v1-1 -2. Femur IV pl-1, r1-1; tibia IV p1-1, r1, d1-1, v2-2 -2; metatarsus IV p1-1-1, r1-1-1, v1-1 -1-2. GENITALIA: Palpal cymbial keel strong ( Fig. 46 ). Ventral tibial apophysis rectangular, with small projection basally, apically transparent, retrolateral tibial apophysis spine-like ( Figs 46, 47 ). Tegulum oval; median apophysis rounded apically, with small pointed projection basally; conductor lamelliform, folded, hyaline; membranous tegular process hyaline, elongated; embolus base not twisted; embolus thin, originating prolaterally, tip pointed ( Fig. 46 ).

Female. Unknown.

Natural history. Specimens where collected in a pitfall line set up at 1888 m, in a low evergreen montane 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 46, 47. Chococtenus duendecito new species. 46. Male palp, ventral view. 47. Male palp, retrolateral view.