Bioacoustics of Umbyquyra paranaiba

Description Male ( holotype , IBSP 107411) Color in life carapace and dorsal face of abdomen dark brown, ventral side lighter brown, legs covered with reddish hairs. In ethanol: carapace reddish-brown as dorsal face of abdomen, ventral side and legs light brown. Total length 27. Carapace 11 long, 13 wide. Clypeus 0.2. Eye tubercle 1.6 long, 2.2 wide. AME 0.2 long, 0.3 wide; PME 0.2 long, 0.2 wide; ALE 0.4 long, 0.4 wide; PLE 0.3 long,0.2 wide. Basal segment of chelicerae with 10 teeth. Labium 2.1 long, 1.7 wide, with 115 pointed cuspules. Endites with 115–117 pointed cuspules. Stridulatory bristles with around 15 bristles on palp trochanter and 45 on leg I. Palp: femur 7.8, patella 4.3, tibia 7.1, tarsus 3.4, total 22.6. Leg I femur 14, patella 6.5, tibia 10.7, metatarsus 11.5, tarsus 6.7, total 49.4. II 13, 6.1, 9.8, 9.8, 6.2, 44.9. III 12, 5.5, 8.5, 10.3, 6.3, 42.6. IV 14, 6.5, 11.2, 17, 6.3, 54.5. Spination: palp: femur d0-0-1-0ap, patella p0-1-0-1-0ap tibia d0-0-1app, v0-1-2- 1p-1p-1r-0-0ap, p0-1-1-1-1-2-1-1-2-1-2-1ap, r0-0-1ap. Legs I femur d0-0-1app, patella p0-1-0ap, tibia v0-2-1r1r-1apr-1ap-1app, p0-1-0-1ap, metatarsus v0-1-0-0-1ap. II femur d0-0-1app, patella d 0-1r-0ap, p0-1-0ap, tibia v0-1r1p-0-1-1p-1p-1r-0-1apr, p0-1-0-1-0ap, metatarsus d0-1r-0-0ap, v0-1p-0-1r-0-0- 2app-1ap-1apr. III femur d0-0-1apr, p0-0-1-0ap, patella d0-1r-0-0-0ap, tibia v0-1-2-1r-1-1-1apr-2ap-1app, p0-0-1-1-0ap, r2-1-1-1-1-2ap, metatarsus d0-0-1r-1p-0-1r-1p-0ap, v1r-1p-1p-1r-0-1apr-1ap-1app, p0-0-1-0-0-1-0ap, r1-1-1-1-1-3ap. IV femur d0-0-1apr, tibia v0-0-1-1r-2-0-2apr-1ap-1app, p0-1-0-0- 1ap, r0-1-0-1-1ap, metatarsus d0-0-1r-0-0ap, v, 1r-1p-1r1-1r-1r-1p-2-2-1r-1p-1r-1p-2app-1ap-1app, r1- 0-0-1-0-0-1ap. Palpal bulb with short embolus and four keels: PS, PI, A, SA. Tibial apophysis of leg I: retrolateral branch and two strong distal spines with three median setae ( Figs 7C , 8D ). PLS: basal, median and apical segments 2.2, 2, 2.2 long, respectively. Female ( paratype IBSP 111695 ) In ethanol, color as in male. Total length 32. Carapace 13 long, 9.5 wide. Clypeus 0.3. Eye tubercle 1.5 long, 2 wide. AME 0.4 long, 0.4 wide; PME 0.4 long, 0.3 wide; ALE 0.2 long, 0.3 wide; PLE 0.3 long, 0.2 wide. Basal segment of chelicerae with eight teeth. Labium 1.6 long, 1.8 wide, with 120 pointed cuspules. Endites with 115–117 pointed cuspules. Stridulatory bristles as in male. Palp: femur 6, patella 2, tibia 3, tarsus 2.5, total 13.5. Leg I femur 8, patella 3.5, tibia 5, metatarsus 4, tarsus 2, total 22.5. II 7, 3, 3.5, 4.5, 2, 20. III 6, 2, 3, 5, 2.2, 27.7. IV 9, 2.5, 5.2, 9.2, 2.5, 28.4. Spination: palp: femur p0-0- 1app, tibia v0-1r-1apr-1ap-2app, p0-0-1ap. Leg I tibia v0-1r-0ap, r0-0-1-0ap, metatarsus v0-1-0-0-1ap. II tibia 1-0-1-1-1-0-2ap, metatarsus v0-1-1-0-0-1ap. III tibia v0-1-1app, p0-1-0-1-0-1ap, 0-1-1-1-0-1- 1ap, metatarsus v1-1r-1r-1p-0-0ap, r2-0-1-0-1ap. IV tibia v0-0-1-1-1ap-1app, p0-1-0-1ap-r0-1-0-1-0ap, metatarsus d0-1r-0-0-1ap, v1-1p-1-1-1-1p-1p-1-2ap, p0-1-0-0ap, r0-0-1-1ap. PLS basal, median and apical segments 2.7, 1.9, 2.7 long, respectively. Spermathecae with RS rounded at apex, distant from each other by approximately its diameter ( Fig. 7D ).