S. Mahunka szerk.: Folia Entomologica Hungarica 45/1. (Budapest, 1984)

Abdomen brown above and yellowish-brown beneath. Cerci yellowish-brown. Posterior edge of genital plate with noticeable excision. Genitalia rather narrow (Figs 7-10). Epiphallus with semimembranous inferior part and large apodemata. Posterior edge of epiphallus without lateral processes. Ectoparameres very narrow and long, widening at base. Endoparameres rather small, with apodemata In the middle but without apodema at the base. Base of virga sclerotized. Spermatophore sack simple (without loops). Variations. Coloration insignificantly lighter or darker. Sometimes posterior part of vertex nearly reddish and longitudinal lines of vertex almost invisible. There are 2 forms: brachyptera and macroptera. Elytra of both very similar. Female. Similar to male. Elytra of f. macroptera extending to apex of abdomen. Elytra of f. brachyptera extending to apex of 8th abdominal tergite. Venation of elytra normal; dorsal field with 9-11 veins and numerous transverse veinlets; lateral field with 10-12 veins. Coloration of elytra dark brown, brownish or reddish. Ovipositor rather long and narrow. Length of ovipositor and length of posterior femora almost equal. Length: body of male 14-15 mm, female 13-15 mm; pronotum of male 2.8-3.2 mm, female 3-3.7 mm; elytra of male 9-10 mm, female (f. macroptera) 9-10 mm, female (f. brachyptera) 7-8 mm; posterior femora of male 8-10 mm, female 9-11 mm; ovipositor 8-10 mm. Diagnosis. This species differs from other species of the genus Platygryllus Chop, by Its simple spermatophore sack. Spermatophore sack of all other species of this genus possesses loops. Author's address: Dr.A.V. GOROCHOV Zoological Institute, Leningrad, V-164 U.S.S.R.