Bioacoustics of Agyneta micaria

Description: Male : Total length 1.82; carapace length 0.77, width 0.59. CEPHALOTHORAX: Carapace brown, shiny, finely reticulate; suffused with gray along radiating lines and margin; trident mark present. Sternum, yellow suffused with gray, darker along margin. Clypeus height 2. Chelicerae light yellow, sometimes with dark gray V-band medially, excavated; ~ 10 seta-tipped tubercles; promargin four teeth, retromargin four tiny denticles and a projection near base of fang. Cheliceral stridulatory organ visible ~26 striae, well spaced. ABDOMEN: Patterned, with apical and basal dark, wide bands, flanking an off-white middle portion or apical and basal dark bands reduced ( Fig. 384 ). LEGS: Light yellow, coxae with dark mark apically, tip of femurs and metatarsus I-IV with dark gray marks; leg I total length: 3.16; leg III total length: 2.13; Tm I: 0.31, Tm IV: absent. GENITALIA: Palpal tibia with large, smooth retrolateral tibial apophysis; dorsal tibial apophysis absent; two retrolateral and one dorsal trichobothria ( Fig. 380 ). Cymbium expanded into a conical apex; glabrous depression present ( Fig. 380 ); dorsal cymbial tubercle smooth and pointed; ventral tubercle large, rugose; prolateral notch very deep ( Fig. 381 ). Paracymbium apical pocket medium, anterior pocket long and curved, posterior pocket absent ( Fig. 380 ). Embolus tip curved, rounded; small spines basally and ventrally; Fickert’s gland absent; ventral lamella absent; thumb long going beyond the embolus proper ( Fig. 382 ). Embolus proper set medially with bifid prong near base ( Fig. 382 ). Anterior terminal apophysis curved with long protrusions; posterior terminal apophysis large, well sclerotized; lamella characteristica long, with squared tip and basal prong ( Fig. 383 ). Female : Total length 1.91; carapace length 0.71, width 0.59.