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

Platygryllus congolensls sp. n. Material. Congo, Leflnie reservation, Nambouli river (galery forest), 13-15.1.1964, 5 males (holotype and paratypes), 19 females (paratypes), legit: Dr. J. BALOGH and Dr. A. ZICSI. Holotype and part of paratypes in Hungarian Natural History Museum (Budapest). Part of paratypes in Zoological Institute, Academy of Sciences of USSR (Leningrad). Material in alcohol. Male (holotype). Size medium for subfamily and rather small for genus. Body stout, feebly pubescent. Coloration brownish. Head with almost straight clypeo-frontal suture. Width of antennái pocket about 3/4 distance between antennae. Coloration of head dark brown with 6 indistinct short reddish longitudinal lines on posterior part of vertex. Antennae brown. Palpi yellowish-brown.Last joint of maxillar palpi dark. Pronotum almost glabrous; its length about 3/4 Its width. Disk of pronotum reddish-brown, rather light. Lateral lobes of pronotum dark brown. Elytra extending to the apex of abdomen, brownish with lighter humeral band and darker base, field of chords and apical field. Stridulatory organ with 4 curved oblique veins and nearly oval mirror (Fig. 1). Lateral field of elytra uniformly dark brown, with 9 veins and almost without transverse velnlets. Legs rather stout, pubescent, yellowish with brown spots. Posterior femora with brown apex and distinct brown oblique stripes on external face. Posterior tibiae with brown base and 6 pairs of spines. Figs 7-10. Platygryllus congolensls sp.n. 7: male genitalia, lateral view, 8: same without anterior part, dorsal view, 9: same in ventral view, 10: same in lateral view