Tachycines Qin, Liu & Li, 2019, sp. nov.
Creators: name: Qin, Yanyan
name: Liu, Xianwei
name: Li, Kai
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy

description: Key to the species of subgenus (Gymnaeta) genus Tachycines
1(26) Hind metatarsus with bristles beneath.
2(7) Supra internal spur of hind tibiae almost exceeding ventral apex of hind metatarsus.
3(4) Hind tibiae above on each side with less than 50 spines.............................. T. (G.) tonkinensis Chopard, 1929
4(3) Hind tibiae above on each side with more than 50 spines.
5(6) Dorsal surface of body without longitudinal band; male genitalia as Figs. 3–4; female subgenital plate as Fig. 5............................................................................. T. (G.) gonggashanicus (Zhang & Liu, 2009)
6(5) Dorsal surface of body with light longitudinal band; male genitalia as Fig. 7; female subgenital plate as Fig. 8........................................................................................ T. (G.) brevicaudus Karny, 1934
7(2) Supra internal spur of hind tibiae not exceeding ventral apex of hind metatarsus.
8(13) Internal genicular lobe of fore femur without spine; hind tibiae above on each side with more than 50 spines.
9(10) Subgenital plate of female transverse (Fig. 11); male genitalia as Fig. 10......... T. (G.) wuyishanicus (Zhang & Liu, 2009)
10(9) Subgenital plate of female not transverse.
11(12) Subgenital plate of female as long as wide (Fig. 15); male genitalia as Figs. 13–14................. T. (G.) parvus sp. nov.
12(11) Subgenital plate of female distinctly longer than wide (Fig. 17)................. T. (G.) longilaminus (Zhang & Liu, 2009)
13(8) Internal genicular lobe of fore femur with a short spine; hind tibiae above on each side with less than 50 spines.
14(19) Fore and mid tibiae beneath with spurs.
15(18) Mid tibiae beneath with 1–2 external spurs and 1 internal spur; 3–8th abdominal sternites with cone-like projections.
16(17) Eyes somewhat reduced (Fig.18); epiphallus of male as Fig. 20............... T. (G.) semicrenatus (Gorochov et al., 2006)
17(16) Eyes well developed; epiphallus of male as Fig. 21.............................. T. (G.) chenhui (Rampini et al., 2008)
18(15) Mid tibiae beneath with 1 internal spur only; 3–8th abdominal sternites without cone-like projections................................................................................................. T. (G.) cuenoti Chopard, 1929
19(14) Fore and mid tibiae beneath without spurs.
20(21) Eyes less reduced; female subgenital plate as Fig. 27........................... T. (G.) caudatus (Gorochov et al., 2006)
21(20) Eyes strongly reduced.
22(25) Eyes presented by a line.
23(24) Hind tibiae above on each side with 26–39 spines............................. T. (G.) proximus (Gorochov et al., 2006)
24(23) Hind tibiae above on each side with 9–11 spines............................. T. (G.) ferecaecus (Gorochov et al., 2006)
25(22) Eyes absent....................................................... T. (G.) omninocaecus (Gorochov et al., 2006)
26(1) Hind metatarsus keeled beneath.
27(68) Supra internal spur of hind tibiae not exceeding ventral apex of hind metatarsus.
28(51) Hind tibiae above on each side with 50–90 spines.
29(38) Body smaller (hind femur shorter than 20mm).
30(37) Body unicolor; frons without dark longitudinal bands.
31(34) Epiphallus of male A-shaped.
32(33) Male genitalia as Figs. 36–37; female subgenital plate as Fig. 38.................... T. (G.) beresowskii (Adelung, 1902)
33(32) Male genitalia as Fig. 39; female subgenital plate as Fig. 40......................... T. (G.) belousovi (Gorochov, 2010)
34(31) Epiphallus of male not A-shaped.
35(36) Male genitalia as Figs. 42–43.................................................. T. (G.) fallax (Zhang & Liu, 2009)
36(35) Male genitalia as Figs. 46–47.............................................. T. (G.) femoratus (Zhang & Liu, 2009)
37(30) Body light brown, mottled with dark blotches; frons with 2 dark longitudinal bands (Fig. 48); male genitalia as Figs. 49–50 T. (G.) lushuicus sp. nov.
38(29) Body larger (hind femur longer than 20mm).
39(40) Epiphallus of male distinctly transverse (Fig. 52).................................. T. (G.) bifurcatus (Gorochov, 2010)
40(39) Epiphallus of male not transverse.
41(46) Subgenital plate of female with triangular median lobe.
42(43) Epiphallus of male nearly rectangular............................................. T. (G.) racovitzai Chopard, 1915
43(42) Epiphallus of male H-shaped.
44(45) Male genitalia as Fig. 55; female subgenital plate as Fig. 56...................... T. (G.) solidus (Gorochov et al., 2006)
45(44) Male genitalia as Fig. 57; female subgenital plate as Fig. 58....................... T. (G.) latellai (Rampini et al., 2008) 46(41) Subgenital plate of female with rounded median lobe.
47(48) Body unicolor; male genitalia as Figs. 59–60; female subgenital plate as Fig. 61.............. T. (G.) yueyangensis sp. nov.
48(47) Body light brown, mottled with dark blotches.
49(50) Apex of female subgenital plate bluntly projected (Fig. 63)........................... T. (G.) latus (Zhang & Liu, 2009)
50(49) Apex of female subgenital plate bluntly truncate (Fig. 65)........................ T. (G.) roundatus (Zhang & Liu, 2009)
51(28) Hind tibiae above on each side with 30–50 spines.
52(57) Fore femur about 2.4–2.5 times longer than the pronotum.
53(54) Abdominal sternites with short ventral projections; male genitalia as Fig. 66........... T. (G.) zorzini (Rampini et al., 2008)
54(53) Abdominal sternites without ventral projections.
55(56) Male genitalia as Figs. 69–70; subgenital plate of female as Fig. 71................... T. (G.) borutzkyi (Gorochov, 1994)
56(55) Male genitalia as Figs. 73–74; subgenital plate of female as Fig. 75................................. T. (G.) lii sp. nov.
57(52) Fore femur about 2.0–2.2 times longer than the pronotum.
58(59) Body larger (hind femur longer than 20mm); epiphallus of male as Fig. 76................ T. (G.) coomani Chopard, 1929
59(58) Body smaller (hind femur shorter than 20mm).
60(61) Fore tibiae beneath with 2 external spurs and 2 internal spurs; male genitalia as Fig. 80.......... T. (G.) dianxicus sp. nov.
61(60) Fore tibiae beneath with 1–2 external spurs and 1 internal spur.
62(63) Epiphallus of male nearly H-shaped (Fig. 82); subgenital plate of female as Fig. 84....... T. (G.) cavernus (Jiao et al., 2008)
63(62) Epiphallus of male genitalia nearly subquadrate.
64(65) Apex of subgenital plate of female notched; male genitalia as Figs. 85–86.................... T. (G.) bruneri Karny, 1934
65(64) Apex of subgenital plate of female blunt.
66(67) Male genitalia as Fig. 90; subgenital plate of female as Fig. 91................................ T. (G.) pallidus sp. nov.
67(66) Male genitalia as Fig. 92; subgenital plate of female as Fig. 93...................... T. (G.) sonlaensis (Gorochov, 1990)
68(27) Supra internal spur of hind tibiae almost exceeding ventral apex of hind metatarsus.
69(76) Body larger (hind femur longer than 20mm).
70(73) Hind tibiae above on each side with 70–90 spines.
71(72) Male genitalia as Fig. 94........................................................ T. (G.) adelungi Chopard, 1921
72(71) Male genitalia as Fig. 98..................................................... T. (G.) nocturnus (Gorochov, 1992)
73(70) Hind tibiae above on each side with 50–70 spines.
74(75) Hind tibiae above on each side with 61–67 spines; male genitalia as Figs. 101–102................. T. (G.) dispar sp. nov.
75(74) Hind tibiae above on each side with 50–51 spines; male genitalia as Figs. 105–106.................. T. (G.) verus sp. nov.
76(69) Body smaller (hind femur shorter than 20mm).
77(82) Epiphallus of male A-shaped.
78(81) Fore tibiae beneath with 2 external spurs and 2 internal spurs.
79(80) Male genitalia as Fig. 107...................................................... T. (G.) gansu (Gorochov, 2010)
80(79) Male genitalia as Fig. 108; subgenital plate of female as Fig. 109....................... T. (G.) longicaudus Karny, 1934
81(78) Fore tibiae beneath with 2 external spurs and 1 internal spur; male genitalia as Fig. 110..... T. (G.) kabaki (Gorochov, 2010)
82(77) Epiphallus of male not A-shaped.
83(86) Epiphallus of male nearly triangular.
84(85) Male genitalia as Fig. 111.................................................... T. (G.) sichuanus (Gorochov, 2010)
85(84) Male genitalia as Fig. 113................................................. T. (G.) altimontanus (Gorochov, 2010)
86(83) Epiphallus of male not triangular-shaped.
87(88) Male genitalia as Fig. 115.............................................................. T. (G.) vicinus sp. nov.
88(87) Male genitalia as Fig. 117...................................................... T. (G.) maoershanensis sp. nov.
description: Published as part of Qin, Yanyan, Liu, Xianwei & Li, Kai, 2019, Review of the subgenus Tachycines (Gymnaeta) Adelung, 1902 (Orthoptera, Rhaphidophoridae, Aemodogryllinae, Aemodogryllini), pp. 273-310 in Zootaxa 4560 (2) on pages 275-276, DOI: 10.11646/zootaxa.4560.2.3, http://zenodo.org/record/2627602