Psiloochyrocera tortilis, Dupérré, Nadine, 2015

Dupérré, Nadine, 2015, Descriptions of twelve new species of ochyroceratids (Araneae, Ochyroceratidae) from mainland Ecuador, Zootaxa 3956 (4), pp. 451-475 : 472

publication ID	https://doi.org/ 10.11646/zootaxa.3956.4.1
publication LSID	lsid:zoobank.org:pub:078D1D20-0232-4CA0-B003-2D830F6B39BB
DOI	https://doi.org/10.5281/zenodo.6102946
persistent identifier	https://treatment.plazi.org/id/050DFB71-E479-FFA7-FF94-9790CD85F894
treatment provided by	Plazi
scientific name	Psiloochyrocera tortilis
status	sp. nov.

Treatment

Psiloochyrocera tortilis View in CoL new species

Figs 48–50 View FIGURES 48 – 50 , map 1.

Type material. Male holotype from Ecuador, Los Ríos Province, Río Palenque ( CCRP), 0 3 March 1979, Leg., Vargas ( QCAZ). EXAMINED.

Other material examined. None.

Etymology. The specific epithet is a latin adjective, meaning twisted in reference to the twisted male palpal bulb.

Diagnosis. Males are distinguished from Psiloochyrocera cajanuma by their unique twisted palpal bulb ( Fig. 49 View FIGURES 48 – 50 ) and the absence of forwardly directed setae on the head ( Fig. 48 View FIGURES 48 – 50 ).

Description. Male: Total length: 1.0; carapace length: 0.4; carapace width: 0.5.

PROSOMA: Carapace pyriform, narrowing abruptly anteriorly; shiny, light yellow with purplish-brown lateral bands and trident mark medially; pars cephalica flat; fovea not visible ( Fig. 48 View FIGURES 48 – 50 ). Sternum light yellow, lightly suffused with purplish-brown; as long as wide. Endites and labium light yellow lightly suffused with purplishbrown, labium notched. Clypeus sloping; high (3x PME). Chelicerae light yellow; promargin with a series of six to seven large teeth reaching the lamina; retromargin without denticles. EYES: Six eyes surrounded by black pigmentation about equal size; PME rounded, sligthly separated; PME-ALE contiguous; ALE rounded contiguous with PLE; PLE rounded ( Fig. 48 View FIGURES 48 – 50 ). OPISTHOSOMA: Oval; light yellowish with purplish-brown pattern ( Fig. 48 View FIGURES 48 – 50 ); tracheal spiracle closer to epigastric furrow. LEGS: Light yellow; tip of femur, tibia, metatarsus and tarsus suffused with purplish; legs II-IV missing; legs total length: I: 4.5; III 3.2. GENITALIA: Palpal tibia straight; with three dorsal, one retrolateral trichobothria ( Fig. 49 View FIGURES 48 – 50 ). Cymbium conical, short with prolateral extension ( Fig. 50 View FIGURES 48 – 50 ). Bulb elongated, twisted ( Figs 49, 50 View FIGURES 48 – 50 ). Embolus short and wide ( Fig. 50 View FIGURES 48 – 50 ); sperm duct not observed.