Chococtenus acanthoctenoides ( Schmidt 1956 ) Schmidt, 1956

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 : 476

Chococtenus acanthoctenoides ( Schmidt 1956) new comb.

Fig. 48 .

Ctenus acanthoctenoides Schmidt 1956: 29 –30, fig. 5.

Type material. Female holotype from Ecuador ( SMF 37449). EXAMINED. Internal genitalia on slide, examined from photos.

Diagnosis. Females are distinguished by their rounded spermathecae ( Fig. 48 ), from C. otongachi by their much larger size; from C. miserabilis by their heart-shaped median sector of epigynum ( Fig. 48 ), trapezoidal in the later species ( Fig. 49 ).

Description. Female (holotype). Total length: 8.1; carapace length: 3.9; carapace width: 3.0; abdomen length: 4.2. COLORATION: Colour somewhat faded in alcohol, as in C. otonga . Legs femora with dark bands. Adomen grayish with pale median half length band. LEGS: Total length: I: 18.0; II: 17.1; III: 14.0; IV: 20.0. LEGS SPINATION: Femur I p1-1-1-1, r1-1-1; tibia I p1-1, r1-1, d0; metatarsus I p0, r0. Femur II p1-1-1-1, r1-1-1-1; tibia II p1-1, r1-1, d1; metatarsus II p0, r10. Femur III pl-1-1-1, r1-1-1; tibia III p1-1, r1-1, d1-1, v2-2 -2; metatarsus III p1-1-1, r1-1, v1-1 -1-2. Femur IV pl-1, r1-1; tibia IV p1-1, r1-1, d1-1, v2-2 -2; metatarsus IV p1-1-1, r1-1, v1-1 -1-2.

GENITALIA: Epigynum with elliptical median sector, apically with narrow unsclerotized sector, flat; lateral processes not observed; copulatory duct elongated, curved ( Fig. 48 ). Spermathecae rounded; fertilization ducts not observed ( Fig. 48 ).

Male. Unknown.

Natural history. The only specimen known comes from a Banana shipment, most probably from the South coast of Ecuador (Guayas or El Oro Provinces), where most Banana plantation and exportation are located.

Distribution. Ecuador.

Figures

FIGURES 48, 49. 48. Chococtenus acanthoctenoides (Schmidt 1956), female internal genitalia, dorsal view (Photo provided by Peter Jaeger). 49. Chococtenus miserabilis (Strand 1916), female internal genitalia, ventral view (Photo provided by Daniele Polotow).