Bioacoustics of Tolteca oaxaca

Description Male ( holotype ) MEASUREMENTS . Total body length 1.13, carapace width 0.47. Distance PME-PME 45 µm; diameter PME 45 µm; distance PME-ALE 15 µm; distance AME-AME 10 µm; diameter AME 30 µm. Leg 1: 2.07 (0.55 + 0.17 + 0.52 + 0.53 + 0.30), tibia 2: 0.42, tibia 3: 0.38, tibia 4: 0.65; tibia 1 L/d: 9; diameters of leg femora 0.11, of leg tibiae 0.06. COLOUR (in ethanol). Prosoma and legs monochromous ochre-yellow; abdomen slightly darker ochre-grey, also monochromous. BODY ( Fig. 36K ). Ocular area barely raised. Carapace without thoracic groove. Clypeus unmodified, short (clypeus rim to ALE: 130 µm). Sternum wider than long (0.35/0.30), almost round (i.e., not heart-shaped), with pair of small but distinct anterior processes (~50 µm diameter at basis, ~50 µm long) near coxae 1. Abdomen globular. CHELICERAE ( Fig. 51A–B ). With pair of frontal apophyses pointing downwards, distance between tips of apophyses: 50 µm; without stridulatory files. PALPS ( Fig. 50 ). Coxa unmodified; trochanter without process; femur proximally without process, distally widened but simple, slightly curved towards dorsal; femur-patella joints not (or barely) shifted to one side; tibia very short, with two trichobothria; tibia-tarsus joints not shifted to one side; procursus very simple ( Fig. 51C ), with distal ventral process; genital bulb as in Fig. 51D–F , in light microscope possibly indistinguishable from congeners. LEGS . Without spines and curved hairs; with slightly increased density of short vertical hairs on tibia 1 (barely visible in dissecting microscope); retrolateral trichobothrium of tibia 1 at 59%; prolateral trichobothrium absent on tibia 1; tarsus 1 with six pseudosegments, all fairly distinct. Variation (male) Tibia 1 in seven newly collected males (incl. holotype ): 0.48–0.58 (mean 0.53). Female In general, similar to male ( Fig. 36L ) but sternum without pair of anterior humps, tibia 1 without increased density of short vertical hairs. Total body length: ~1.20; tibia 1 in 21 newly collected females: 0.47–0.56 (mean 0.51). Epigynum ( Figs 52 , 54A ) short crescent-shaped anterior plate slightly protruding in lateral view; posterior plate short and wide, very indistinct, barely visible. With distinct knob between epigynum and pedicel ( Fig. 54B ). Internal genitalia ( Fig. 53 ) with pair of strong transversal sclerites, with very short sacs ( Fig. 55G–H ), without (or with very small?) pore plates.