16. Dialarnaca Gorochov, 2005 (双刺蟋•属)

Dialarnaca: Gorochov, 2005 . Entomologicheskoe Obozrenie, 84(4): 821; Shi, Bian & Guo, 2016. ZooKeys, 558: 2; Cadena- Castañeda, 2019. Zootaxa, 4605(1): 93.

Type species: Dialarnaca roseola Gorochov, 2005 .

Diagnosis. Body medium, form slender. Tegmina and hind wings developed, far surpassing apices of hind femora. Male ninth abdominal tergite without any hooks, centre of posterior margin with a large tubercular process, the angular apex of which is slightly directed downwards; tenth abdominal tergite in the form of transverse sclerite, posterior area projecting backwards, membranous, the apex with 1 pair of heavily sclerotized hooks, which curved upward; subgenital plate variable with well-developed styli; genitalia entirely membranous. Posterior area of female seventh abdominal sternite projecting backwards; basal area of subgenital plate with numerous rugulate.

Species included. Up to now, the genus includes 4 species, one of which is distributed in Vietnam and the other two species in China. And we transfer the species Dialarnaca quadrateprocera to Siamgryllacris .