Brachytrupes calaharicus ( Karny, 1910 )

Simeu-Noutchom, Alain, Heller, Klaus-Gerhard, Nyobe, Philene Corinne Aude Um & Kekeunou, Sevilor, 2023, Taxonomy review of the genus Brachytrupes (Orthoptera: Gryllidae) with the description of a new species and key to the species, Zootaxa 5336 (3), pp. 373-388 : 376

Species Brachytrupes calaharicus ( Karny, 1910) ( Table 1 )

Gymnogryllus calaharicus Karny, 1910: p. 44

Type material: lectotype female, Africa , Southern Africa, Botswana, Leclake-Lekutuku. MfN .

Description ( Karny 1910, Otte 1988). Medium-sized, shiny, macropterous. Differs from B. testaceus in having a blackish pronotum, dark brown forewings, and dark brown hind legs. Head reddish brown on occiput and vertex, becoming black anteriorly, black between the lateral ocelli; median ocellus absent; forehead with depression behind interocular suture; clypeus strongly convex, black on the upper and pale on lower surface; mandibles with a strong vertical outer ridge; cheeks reddish brown. Pronotum blackish; dorsum with an undulating surface, with concave sides (dorsal view), front wider than rear. Dark brown forewings, extending beyond the end of the abdomen. Hind wings extending beyond ends of cerci. Front legs: femora and tibiae laterally compressed, with rows of long setae; tibiae with large outer and much smaller inner tympanum; apical spurs knife-like and concave on inner side. Middle legs: not as compressed as front legs, with shorter setae and relatively longer basal tarsomere. Hind legs: dark brown; femora narrow, 0.24 times longer than wide. Species very similar to B. testaceus .