Dialarnaca Gorochov, 2005

Bian, Xun, Zhu, Qidi & Shi, Fuming, 2017, Two new species of Gryllacridinae (Orthoptera: Gryllacrididae) from Yunnan, China, Far Eastern Entomologist 338 (338), pp. 1-9 : 2-3

Genus Dialarnaca Gorochov, 2005

Dialarnaca Gorochov, 2005: 821 ; Shi et al., 2016: 2.

Type species: Dialarnaca roseola Gorochov, 2005 , by original designation.

REMARKS. The monotypic genus Dialarnaca was proposed by Gorochov (2005) for a type species from Vietnam. Later two species was described from the Hainan and Yunnan provinces of China (Shi et al., 2016). Herein one new species is described from Yunnan. A key to all known species of Dialarnaca is provided below.

Key to the species of Dialarnaca

1 Processes of 10th abdominal tergite nearly rectangular ……..……......................... ...........................................................................…...... D. quadrateprocera sp. n.

– Processes of 10th abdominal tergite triangular.……….………………………… 2

2 Apical area of male cerci curly, styli shorter (0.23–0.24 mm), about 3.92–4.43 times shorter than the length of male subgenital plate along the midline .............. .......................................……………….............. D. longicerca Shi et Bian, 2016

– Male cerci straight, styli longer, about 2.33–2.47 times shorter than the length of male subgenital plate along the midline .............................................................. 3 ly concave in the middle ............................................ D. roseola Gorochov, 2005

– Posterior area of male subgenital plate trapezoidal projecting, posterior margin nearly straight ............................................................. D. zhoui Shi et Bian, 2016

head, frontal view; 2–3, 7–8 – head and pronotum (2, 7 – dorsal view; 3, 8 – lateral view); 4–

5, 9 – apex of abdomen (4, 9 – lateral view; 5 – apical view); 10–11 – subgenital plate,

ventral view; 12. apex of ovipositor, lateral view.

3