Bioacoustics of Agyneta crawfordi

Description: Male : Total length 1.42; carapace length 0.64, width 0.53. CEPHALOTHORAX: Carapace light yellow, shiny, finely reticulate; lightly suffused with light gray along radiating lines and margin. Sternum lightly suffused with gray. Clypeus height 2. Chelicerae light yellow, not excavated; seta-tipped tubercles absent; promargin three denticles, retromargin two tiny denticles. Cheliceral stridulatory organ easily visible ~19 striae, well spaced. ABDOMEN: Uniformly light gray. LEGS: Light yellow; leg I total length: 2.45; leg III total length: 1.78; Tm I: 0.30, Tm IV: absent. GENITALIA: Palpal retrolateral tibial apophysis small, triangular; dorsal tibial apophysis triangular, rugose; one retrolateral and one dorsal trichobothria ( Fig. 209 ). Cymbium with retrolateral fold; glabrous depression present ( Fig. 209 ); dorsal cymbial tubercle large and rugose; ventral tubercle small and smooth; prolateral notch shallow ( Fig. 210 ). Paracymbium apical pocket long, anterior pocket absent, posterior pocket long and rugose ( Fig. 209 ). Embolus tip pointed; retro-ventrally with a row of well-sclerotized and transparent spines; Fickert’s gland medial, bulbous; ventral lamella enlarged into a basal plate with a few short spines, extending on the retrolateral side of the embolus all the way to the embolus proper, with no obvious spines; thumb short, reaching the base of the embolus proper ( Fig. 211 ). Embolus proper set apically with long dorsal part, serrated, reaching the tip of embolus ( Fig. 211 ). Anterior terminal apophysis long with a few curved protrusions; posterior terminal apophysis with one rounded, one pointed tip and two spines basally; lamella characteristica long, with bifid spiny tip ( Fig. 212 ). Female : Unknown.