Bioacoustics of Agyneta ordinaria

Description: Male : Total length 1.79; carapace length 0.83, width 0.64. CEPHALOTHORAX: Carapace dark orange-brown, shiny, finely reticulate; suffused with dark gray along margin, radiating lines; trident mark present. Sternum orange-brown suffused with dark gray. Clypeus height 2. Chelicerae orange-brown, with transverse gray band, excavated; ~15 seta-tipped tubercles; promargin four teeth, retromargin four denticles, both margins with rounded projections near base of fang. Cheliceral stridulatory organ ~30 strong striae, well spaced, gradually getting closer basally. ABDOMEN: Uniformly dark gray. LEGS: Orange, patella and tarsus light orange; leg I total length: 3.02; leg III total length: 2.22; Tm I: 0.20, Tm IV: absent. GENITALIA: Palpal retrolateral tibial apophysis pointed, rugose; dorsal tibial apophysis absent; two retrolateral trichobothria and one dorsal ( Fig. 474 ). Cymbium triangular; glabrous depression present ( Fig. 474 ); dorsal cymbial tubercle small, rounded; ventral tubercle elongated, rounded and rugose; prolateral notch shallow ( Fig. 475 ). Paracymbium apical pocket short, anterior pocket curved making a large cover, posterior pocket absent ( Fig. 474 ). Embolus tip pointed; Fickert’s gland elongated situated medially; ventral lamella transparent, spiny; thumb short, reaching below the embolus proper ( Fig. 476 ). Embolus proper set apically, of equal part, associated with embolus tip ( Fig. 476 ). Anterior terminal apophysis with wide tip with a few protrusions; posterior terminal apophysis small, not well sclerotized; lamella characteristica large, with two fold, one small, serrated and one with pointed tip ( Fig. 477 ). Female : Total length 1.78; carapace length 0.74, width 0.58. MAP. 32. Localities of Agyenta ordinaria ( Chamberlin & Ivie 1947 ) , Agyneta flibuscrocus n. sp. , Agyneta angulata ( Emerton 1882 ) , Agyneta leucophora ( Chamberlin & Ivie 1944 ) . CEPHALOTHORAX: Same coloration as male. Chelicerae yellowish; promargin four teeth, retromargin one denticle. Cheliceral stridulatory organ ~26 striae, well spaced slowly getting closer basally. ABDOMEN: Same as male. LEGS: Same as male; palpal claw absent; leg I total length: 2.81; leg III total length: 2.19; Tm I: 0.23, Tm IV: absent. GENITALIA: Epigynum with proximal part of scape wide, sides parallel; epigynal slits small; pit hook depression deep ( Fig. 478 ); lateral lobes medium; stretcher indiscernible; pit deep ( Fig. 479 ). Median part of scape long, narrow; genital pores situated at base of lateral lobes pockets ( Fig. 480 ). Internal genitalia with large, rounded receptacula ( Figs 479, 480 ).