Diestramima triangulata, Qin, Yanyan, Wang, Hanqiang, Liu, Xianwei & Li, Kai, 2016

Qin, Yanyan, Wang, Hanqiang, Liu, Xianwei & Li, Kai, 2016, A taxonomic study on the species of the genus Diestramima Storozhenko (Orthoptera: Rhaphidophoridae; Aemodogryllinae), Zootaxa 4126 (4), pp. 514-532 : 526-527

10. Diestramima triangulata sp. nov.

( Figs. 33–36 )

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:477209

Description. Male. Body small sized. Head with fastigium of vertex divided into two conical tubercles. Legs long and slender; fore femora about 2.1 times as long as the pronotum, beneath unarmed, internal knee lobe without spines, genicular lobe with 1 long movable spur; fore tibia beneath with 2 external and 2 internal spurs, between the paired apical spurs with a short spur. Mid femora with a long movable spur on the genicular lobe; mid tibia beneath with 2 external and 2 internal spurs, between the paired apical spurs with a short spur. Hind femora beneath with 6 inter spines and 6 outer spines; hind tibia above with 30–31 outer spines and 28–31 inter spines, inner subapical spur of hind tibia shorter than hind metatarsus. Hind metatarsus with 2 dorsal spines. Apex of paraproct acute ( Fig. 33 ). Process of male 7th abdominal tergite rather short and with nearly triangular apex ( Figs. 34–35 ). Male genitalia with blunt apex of dorso-median lobe and distinctly widening to basal part, lateral lobes rather slender near dorsomedian lobe ( Fig. 36 ).

Female. Unknown.

Coloration. Body brown with darkish marks. Face with 4 darkish longitudinal bands. Legs with distinct stripes.

Measurements. (length in mm) Body Ƌ 11.0; pronotum Ƌ 4.5; fore femora Ƌ 9.5; hind femora Ƌ 17.0; hind tibia ♂ 17.5.

Material examined. Holotype, 1♂, Leigong Mountain, Guizhou, alt. 1600–2178m, 2015. VII.28, collected by Sun Mei-Ling; paratype, 1Ƌ, same data as holotype.

Distribution. China (Guizhou).

Discussion. This new species is similar to D. beybienkoi sp. nov., but differs as follows: process of male 7th abdominal tergite rather wide and short, paraproct of male with an acute apex.

Figures

FIGURES 33 – 36. Diestramima triangulata sp. nov. 33. Male paraproct, lateral view; 34. Male abdominal apex, lateral view; 35. Process of male 7 th abdominal tergite, dorsal view; 36. Male genitalia, dorsal view; scale bars = 2 mm.