Ochyrocera minotaure, Dupérré, Nadine, 2015

Dupérré, Nadine, 2015, Descriptions of twelve new species of ochyroceratids (Araneae, Ochyroceratidae) from mainland Ecuador, Zootaxa 3956 (4), pp. 451-475 : 464-466

Ochyrocera minotaure new species

Figs 29–32 , map 1.

Type material. Male holotype from Ecuador, Pichincha Province, Nono, 18 January 1990, G. Quezada ( QCAZ). EXAMINED.

Other material examined. None.

Etymology. The specific epithet is a noun in apposition in reference to the male clypeal prongs resembling the minotaure horns.

Diagnosis. Males are distinguished from all Ochyrocera by the presence of two clypeal horns ( Figs 29, 30 ).

Description. Male: Total length: 1.8; carapace length: 0.8; carapace width: 0.7.

PROSOMA: Carapace pyriform, narrowing abruptly anteriorly; shiny, yellow with brownish-purple median band and laterals bands; pars cephalica slightly elevated; fovea not visible ( Fig. 29 ); with transparents lobes attached latero-anteriorly ( Fig. 30 ). Sternum light yellow suffused with dark brown, except medio-anteriorly; as long as wide. Endites light yellow suffused with dark gray; labium light yellow, suffused with dark gray; notch. Clypeus sloping with brownish-purple band medially; high (3x PME); with two prongs ( Fig. 30 ). Chelicerae light yellow; promargin with a series of eight teeth reaching the lamina; retromargin without denticles ( Fig. 30 ). EYES: Six eyes surrounded by black pigmentation about equal size; PME oval, contiguous; PME-ALE slightly separated; ALE rounded, contiguous with PLE; PLE rounded ( Figs 29, 30 ). OPISTHOSOMA: Oval; light blueish with dark brownish-purple pattern ( Fig. 29 ); tracheal spiracle half way between epigastric furrow and spinnerets. LEGS: Yellow; tip of appendages suffused with brownish-purple tinge; metatarsus and tarsus with white rings pigmentation appearing as pseudosegmentation; legs II and IV missing; legs total length: I: 6.2; III 5.1. GENITALIA: Palpal femur long; palpal patella normal; palpal tibia slightly enlarged medially; with one dorsal, one retrolateral trichobothria ( Figs 31, 32 ). Cymbium conical with squared extension prolaterally ( Fig. 32 ); apical apophysis triangular bearing cuspule at its apical end ( Figs 31, 32 ). Bulb spherical ( Fig. 32 ). Embolus elongated, flexed and constricted at base, projecting forward; apically dark and curved with losange tip ( Fig. 32 ). Sperm duct narrowing 1/3 from beginning to the tip of embolus, with one loose loop ( Figs 31, 32 ).

Female: Unknown.

Distribution. Ecuador: Pichincha Province. Natural history. Unknown.

Figures

FIGURES 29 – 32. Ochyrocera minotaure sp. n. Male 29 – 32. 29. Habitus, dorsal view. 30. Carapace, anterior view. 31. Palp, retrolateral view. 32. Palp, prolateral view.