Bioacoustics of Agyneta allosubtilis

Description: Male : Total length 1.13; carapace length 0.86, width 0.70. CEPHALOTHORAX: Carapace light brown, shiny, finely reticulate; suffused with dark gray along margin, radiating lines; trident mark present. Sternum light brown suffused with dark gray. Clypeus height 3. Chelicerae light yellow-brown with transverse gray band, not excavated; fangs thick and wide; seta-tipped tubercles absent; promargin two tiny denticles, retromargin 0 denticles, both margins without projections near base of fang. Cheliceral stridulatory organ ~56 striae, narrowly spaced throughout. ABDOMEN: Uniformly dark gray. LEGS: Yellow-orange, femur, tibia and metatarsus orange; leg I total length: 2.24; leg III total length: 2.06; Tm I: 0.77, Tm IV: present. GENITALIA: Palpal retrolateral tibial apophysis rounded, smooth; dorsal tibial apophysis, rugose; one retrolateral and one dorsal trichobothria ( Fig. 79 ). Cymbium triangular; glabrous depression present ( Fig. 79 ); dorsal and ventral cymbial tubercles fused and smooth; prolateral notch medium ( Fig. 80 ). Paracymbium apical pocket short, anterior pocket long and curved making a large cover, posterior pocket small and pointed ( Fig. 79 ). Embolus tip pointed and wide, with large serrated extension retrolaterally, one small sub-apical spine; Fickert’s gland elongated situated basally; ventral lamella grooved; thumb reaching below the embolus proper ( Fig. 81 ). Embolus proper set apically, ventral part slightly wider ( Fig. 81 ). Radix with multiple small spikes basally; anterior terminal apophysis narrow with protrusions; posterior terminal apophysis wide; lamella characteristica large, serrated apically ( Fig. 82 ). Female : Total length 2.12; carapace length 0.80, width 0.57.