Agyneta flibuscrocus new species

Figs 481–484, map 32

Type material: Male holotype and male paratype from Wyoming, Yellowstone National Park, Mt. Washburn N of Summit, 44º19’N, 110º25’W, August 13, 1940, Wilton Ivie (AMNH). EXAMINED. Etymology: Specific epithet is an arbitratry composition of letters.

Diagnosis: Males are diagnosed from all Agyneta by the presence of a prong on the paracymbium (Fig. 481 arrow).

Description: Male: Total length 2.35; carapace length 1.04, width 0.85.

CEPHALOTHORAX: Carapace dark orange-brown, shiny, finely reticulate; suffused with dark gray along margin and radiating lines; trident mark present. Sternum suffused with dark gray. Clypeus height 2.5. Chelicerae orange-brown, with transverse gray band; not excavated; seta-tipped tubercles absent; promargin four teeth, retromargin two denticles. Cheliceral stridulatory organ ~25 strong striae, well spaced throughout. ABDOMEN: Uniformly dark gray. LEGS: Light orange; leg I total length: 4.80; leg III total length: 3.59; Tm I: 0.22, Tm IV: absent. GENITALIA: Palpal retrolateral tibial apophysis rounded smooth; dorsal tibial apophysis absent, tibia rugose dorsally; two retrolateral trichobothria and one dorsal (Fig. 481). Cymbium rounded; glabrous depression present (Fig. 481); dorsal cymbial tubercle triangular, smooth; ventral cymbial tubercle absent; prolateral notch shallow (Fig. 481). Paracymbium apical pocket medium, anterior pocket absent, bearing an anterior prong, posterior pocket absent (Fig. 481). Embolus tip pointed and wide with large prong retrolaterally; basally enlarged with two small spines; Fickert’s gland absent; ventral lamella transparent, few spines basally; thumb long reaching over the embolus proper (Fig. 483). Embolus proper set apically on a vertical ridge, not associated with embolus tip, of equal part (Fig. 483). Anterior terminal apophysis narrow tip with long protrusions; posterior terminal apophysis pointed, not well sclerotized; lamella characteristica with three sharp prongs (Fig. 484).

Female: Unknown.

Other material examined: One male collected with the type.

Distribution: Western USA, Wyoming.