Shuyushka achachay

Nadine Duperre & Elicio Tapia, 2016, Overview of the Anyphaenids (Araneae, Anyphaeninae, Anyphaenidae) spider fauna from the Chocó forest of Ecuador, with the description of thirteen new species, European Journal of Taxonomy 255, pp. 1-50 : 28-30

Shuyushka achachay gen. et sp. nov.

urn:lsid:zoobank.org:act:409AFE79-731C-47C2-A21F-507B7D083A1D

Figs 37–40

Diagnosis

Males are distinguished from all congeneric species by their distinctly reduced patellar apophysis ( Fig. 39 ).

Etymology

The speciFc name is a noun in apposition taken from the Kichwa language meaning ‘cold’.

Type material

Holotype

ECUADOR: ♂, Cotopaxi Province, Otonga Biological Reserve , 24–30 May 2014, beating trees, E. Tapia, C. Tapia and N. Dupérré leg. ( QCAZ) .

Additional material examined

ECUADOR: Cotopaxi Province, Otonga Biological Reserve : 2 ♂♂, sifting moss, 24–30 May 2014, E. Tapia, C. Tapia and N. Dupérré leg. ( DTC) .

Description

Male (holotype)

MEASUREMENTS. Total length: 7.3; carapace length: 3.0; carapace width: 2.2; abdomen length: 4.3.

CEPHALOTHORAX. Pars cephalica apically light orange-brown, with dark lines behind PLE, basally light yellow; pars thoracica apically light yellow, with small dark mark, medially orange-brown with dark lines along radiating lines, basally light yellow; margin dark. Fovea dark. Sternum light brown, margin slightly darker. Labium and endites dark brown.

CHELICERAE. Dark brown. Promargin with 5, retromargin with 5 teeth.

LEGS. Femora light yellow with orange-brown band apically, tibia and metatarsi light yellow with orangebrown bands basally and apically, tarsi light yellow. Total length: I: 12.7; II: 10.2; III: 7.8; IV: 10.7; leg articles length (femur/patella/tibia/metatarsus/tarsus): leg I 3.3/0.9/3.6/3.5/1.4; leg II 2.8/0.9/2.7/2.6/1.2; leg III 2.3/0.8/1.6/2.3/0.8; leg IV 2.9/0.9/2.5/3.3/1.1.

LEGS SPINATION. Femur I p1-1-1; tibia I p1-1-1, r1-1-1; metatarsus I p0-1-0. Femur II p1-1-1; tibia II p1- 1-1, r1-1-1; metatarsus II p1-1-0. Femur III p0-1-1; tibia III p1-1-1, r1-1-1; metatarsus III p1-1-1, d0-1- 0, v2-2 -2. Femur IV p0-1-1; tibia IV p1-1-1, r1-1-1; metatarsus IV p1-1-1, d0-1-0, v2-2 -2.

ABDOMEN. Cylindrical. Dorsally yellowish with dark arrow-shaped mark ( Fig. 37 ).

GENITALIA. Palpal patella with two small, ventral apophysis, and small dorsal sclerotized triangular projection ( Fig. 39 ). Palpal tibia shorter than cymbium; without apophysis ventrally; anterior part of retrolateral tibial apophysis rounded, posterior part well sclerotized with spine-like projection ( Fig. 39 ). Subtegulum not observed; tegulum rounded basally; median apophysis large, hook-shaped; embolus long, wide basally, prolaterally positioned, distally with small triangular extensions and straight pale terminal segment ( Fig. 38 ).

Female

Unknown.

Natural history

Specimens were collected by beating trees and in moss hanging from trees.

Distribution

Ecuador: known only from the type locality.

Figures

Figs 37–40. Shuyushka achachay gen. et sp. nov. 37. ♂, abdomen, dorsal view. 38. ♂, palp, ventral view.  39. ♂, palp, retrolateral view. 40. ♂, tibia I, prolateral view. Scale bars: 38–39 = 0.05 mm; 37, 40 = 1 mm.