Remarks on genus Microtachycines Gorochov, 1992 (Orthoptera Rhaphidophoridae: Aemodogryllinae) from China
Author
Qin, Yan-Yan
School of Life Sciences, East China Normal University, Shanghai 200241, China.
Author
Liu, Xian-Wei
Shanghai Entomological Museum, Chinese Academy of Sciences, Shanghai 200032, China.
Author
Li, Kai
School of Life Sciences, East China Normal University, Shanghai 200241, China.
text
Zootaxa
2020
2020-06-19
4801
3
570
576
journal article
10.11646/zootaxa.4801.3.9
1175-5326
3904802
CD6A5A22-09C1-4070-B004-6765F2E98763
Microtachycines trispinosus
Qin et Li
sp. nov.
(
Figs. 9–16
, 20)
Description.
Size of body medium. Head with fastigium of vertex divided into two conical tubercles, well-divided and long (
Figs. 9–10
). Legs long and slender. Fore femur about 1.5 times as long as the pronotum, beneath unarmed, the internal genicular lobe with 1 small spine, external genicular lobe with 1 movable spine; fore tibiae beneath with 1 internal and 1 external spine, between the apical paired spines with 1 small spine. Mid femur with 1 long movable spine on the internal and external genicular lobe separately; mid tibiae beneath with 1 external and 1 internal spine, between the apical paired spines with 1 small spine. Hind femur beneath with 7~10 internal spines, without external spine; hind tibiae above with 42~47 internal and external spines on each side, arrange in groups, 1 group comprise 2–5 spines, the longest apical spine situated in internal side of hind tibiae shorter than the apex of hind metatarsus; hind metatarsus above with 1 apical spine and keeled beneath. Epiproct nearly rectangular, long about 2.0 times as the wide, both middle part of lateral margin and hind margin concave. Dorsolateral lobes of male genitalia expanded sclerotized, divided into 3 large spine-shaped projections; pseudosternite small, middle part of lateral margin convex.
FIGURES 17–19.
Microtachycines elongatus
Qin, Liu & Li, 2017
. 17. Male in habitat, lateral view (photographed in Qingliangfeng of Zhejiang province); 18. Male in habitat, dorsal and posterior view (photographed in Qingliangfeng of Zhejiang province); 19. Female in habitat, dorsal and lateral view (photographed in Qingliangfeng of Zhejiang province).
FIGURE 20.
Microtachycines trispinosus
Qin et Li
sp. nov.
. 20. Male in habitat, lateral and posterior view (photographed in Sanqingshan of
Jiangxi province
).
Female. Unknown.
Measurements
(in mm). Body
♂
11.0–12.0; pronotum
♂
5.5–6.0; fore femur
♂
8.5–9.0; hind femur
♂
15.0– 17.0; hind tibiae
♂
17.0–19.0.
Coloration.
Whole body with black and irregular stripes. Frons with 4 conspicuous longitudinal bands. Epiproct of male black.
Material examined.
Holotype
,
♂
,
China
,
Jiangxi
,
Sanqingshan
,
Tiyunling-Xianrenzhilu
, alt. 1240~
1400m
,
27-VII-2019
, leg.
Liu Xian-Wei
,
Wang Han-Qiang
&
Qin Yan-Yan
;
paratype
,
1♂
,
China
,
Jiangxi
, Sanqingshan, Xihai’an-Sanqingfudi-Yangguanghai’an, alt.
1500m
,
27-VII-2019
, leg.
Liu Xian-Wei
,
Wang Han-Qiang
&
Qin Yan-Yan.
Distribution.
China
(
Jiangxi
).
Discussion.
This new species is similar to
Microtachycines elongatus
Qin Liu & Li., 2017
, its distinguished characters from the latter species are that: male epiproct rather large, lateral margins concave; spines on hind tibiae less; apex of dorsolateral lobes of male genitalia divided into 3 large spines, pseudosternite with lateral margins convex and upper apex convex.
Etymology.
This new species is named after shape of dorsolateral lobes of male genitalia, Latin words “tri” (three) and “spina” (spine).