Bioacoustics of Agyneta hedini

Description: Male : Total length 2.51; carapace length 1.09, width 0.90. CEPHALOTHORAX: Carapace yellow, shiny, finely reticulate; margin suffused with gray. Sternum light yellow, lightly suffused with gray. Clypeus height 3. Endites with seta-tipped tubercles. Chelicerae yellow, excavated; ~ 21 seta-tipped tubercles; promargin four teeth, retromargin three denticles. Cheliceral stridulatory organ visible ~32 striae, evenly spaced. ABDOMEN: Off-white with gray pattern ( Fig. 406 ). LEGS: Light yellow; leg I total length: 5.70; leg III total length: 4.59; Tm I: 0.22, Tm IV: absent. GENITALIA: Palpal tibia with elongated, smooth retrolateral tibial apohysis; dorsal tibial apophysis absent; two retrolateral trichobothria and a dorsal one ( Fig. 402 ). Cymbium with conical extension; glabrous depression present ( Fig. 402 ); dorsal cymbial tubercle small; ventral tubercle rugose with associated large protuberance; prolateral notch extremely deep ( Fig. 403 ). Paracymbium apical pocket small, anterior pocket long and curved, posterior pocket absent ( Fig. 402 ). Embolus tip bent, with spiny extension apically; basally and ventrally spiny; Fickert’s gland bulbous; ventral lamella absent; thumb extending beyond the embolus proper ( Fig. 404 ). Embolus proper set medially, with transparent hooked flange ( Fig. 404 ). Anterior terminal apophysis large, sickle-shaped; posterior terminal apophysis, large, striated; lamella characteristica small, well sclerotized and bifid tip with protrusions ( Fig. 405 ). Female : Total length 2.37; carapace length 1.04, width 0.82. MAP. 27. Localities of Agyneta hedini Paquin & Dupérré 2009 , Agyneta platnicki n. sp. , Agyenta ledfordi n. sp. CEPHALOTHORAX: Coloration as in male. Chelicerae light yellow; promargin four teeth, retromargin five large denticles. Cheliceral stridulatory organ ~27 striae, evenly spaced. ABDOMEN: Off-white with gray pattern ( Fig. 407 ). LEGS: Same as male; palpal tarsal claw absent; leg I total length: 6.33; leg III total length: 4.27; Tm I: 0.26, Tm IV: absent. GENITALIA: Epigynum with proximal part of scape narrow, sides parallel slightly enlarging apically; epigynal slits rounded; pit hook depression absent ( Fig. 408 ); lateral lobes elongated; stretcher small; pit deep ( Fig. 410 ). Median part of scape very narrow ( Fig. 410 ); genital pores positioned in the beginning of median part of scape ( Fig. 411 ). Internal genitalia with small curved, ventral receptacula, dorsal receptacula oval ( Figs 409, 410 ).