Bioacoustics of Umbyquyra caxiuana

Description Male ( holotype MPEG 0967) In ethanol: same color as U. belterra gen. et sp. nov. Total length: 47.0. Carapace: 20.8 long, 17.4 wide. Clypeus: 0.5. Eye tubercle 2.0 long, 2.8 wide. AME; 0.5 long, 0.5 wide; PME 0.4 long, 0.3 wide; ALE: 0.7 long, 0.5 wide; PLE 0.35 long, 0.4 wide. Basal segment of chelicerae with 10 teeth. Labium: 2.4 long, 2.5 wide, with 123 cuspules. Endites with 210–206 cuspules. Stridulatory bristles with around 20 bristles on palp trochanter, large and very long; stridulatory bristles on trochanter of leg I not so large, but surpassing 50 bristles ( Fig. 28 E–F). Palp: femur 9.7, patella 3.1, tibia 9.7, tarsus 3.6, total 26.1. Leg I femur 17.4, patella 6.2, tibia 14.7, metatarsus 14, tarsus 9.4, total 61.7. II 16.5, 5.3, 15.1, 13.4, 8.5, 58.8. III 16.2, 7, 12.7, 15.7, 8.4, total 60. IV 16.2, 8.0, 16.7, 22, 9.4, 72.3. Spination: palp: femur d0-0-1app, tibia d0-0-1p-1p-1-2ap, p0-0-1-1-1-0ap. Legs I femur d0-0-1app, tibia v0-0-0-1r-1ap, p0-1-0-0ap, r0-1-0-1-0-0-0ap, metatarsus v0-1r-0-0ap. II femur, 0-0-0-1app, tibia v0-1-0-1apr-1app, p0-0-0-1-0ap, metatarsus v0-1-1-0-0app, p0- 1-0-0ap. III femur d0-0-1apr, tibia v0-0-1-1-0-1app-1apr, p0-1-0-1-0ap, r0-1-0-1-0-1ap, metatarsus v0- 1r-1p-0-1r-1p-0-1app-1ap-2apr, p1-0-1-0-1-1ap, r0-1-0-0ap. IV tibia v0-0-1r-1p-1p-1r-1p-1app-1ap-1apr, p0-1-0-1-0ap, r0-0-1-1ap, metatarsus d0-0-1r-0-0ap, v1p-1-1r-1-1p-1-1p-1r-1-1r-1r-1p-1r-1r-1apr-1app, p1-0-1-0-0-1ap, r0-1-0-1-2ap. Tibial apophysis of leg I: retrolateral branch elongated with two strong distal spines with three median setae on tubercle; prolateral branch projected with long distal and subdistal spines ( Figs 27C , 28D ). PLS basal, median and apical segments 2.1, 2.6, 3.5 long, respectively. Female ( paratype , MPEG 0177) In ethanol: same color as male. Total length 52. Clypeus 0.4. AME 0.4 long, 0.4 wide; PME 0.2 long, 0.2 wide; ALE 0.2 long, 0.5 wide; PLE 0.2 long, 0.4 wide. Basal segment of chelicerae with 10 teeth. Labium 2 long, 2.5 wide, with 98 cuspules. Endites with 111–100 cuspules pointed. Eye tubercle 1.6 long, 2.8 wide. Stridulatory bristles as in male. Palp: femur 7.8, patella 4.6, tibia 4.1, tarsus 4.2, total 20.7. Leg I 11, 8.2, 6.3, 3.8, 3.5, 32.8. II 9.6, 6, 6.6, 7, 3.8, 33. III 8.1, 5.8, 7, 8.3, 4.1, 33.3. IV 10.5, 6.1, 8.6, 11.6, 4.2, 41. Spination: palp: tibia v1-0-1r-1r-1apr, p0-1-0ap. Legs I femur d0-0-1p-0ap, tibia v0-1-0-0-1ap, metatarsus v0-1-0-0-0-1ap-1apr. II tibia v0-1-0-1ap, p0-1-1-0ap, metatarsus v0-1-0-1app-1apr, p0-1-0ap, r0-0-2ap. III tibia v0-0-1app-1apr, p1-0-0ap, metatarsus d0-0-1r-0-0-1-0ap, v0-1-1p-1r-0-1r-1app, p1-1-1ap. IV tibia v-0-1p-1-1app-1apr, p0-1-1ap, metatarsus d0-0-1-0ap, v1r-1r-1p-1r-2r-1p-1r-1r-1apr. PLS: basal, median and apical segments 4.0, 3.4, 3.8 long, respectively. Spermathecae with oval basal area ( Fig. 27D ).