Batwanema gen. n. and Chokwenema gen. n. (Oxyurida, Hystrignathidae), new nematode genera as parasites of Passalidae (Coleoptera) from the Democratic Republic of Congo Author Morffe, Jans Author Garcia, Nayla text ZooKeys 2013 361 1 13 http://dx.doi.org/10.3897/zookeys.361.6351 journal article http://dx.doi.org/10.3897/zookeys.361.6351 1313-2970-361-1 A3E4F7B50EFB4FDA83D9C6AFAA61CD69 Genus Chokwenema gen. n. Generic diagnosis. Female. Cervical cuticle armed with wide, scale-like projections, arranged initially in rows of eight elements. Scales divide gradually, forming spines. Head bearing eight rounded, paired papillae. First cephalic annule cone-like, truncated, comparatively long, moderately inflated. Oesophagus with procorpus sub-cylindrical, its base set-off from the short isthmus. Excretory pore post-bulbar. Genital tract didelphic-amphidelphic. Eggs ovoid. Tail subulate. Type species. Chokwenema lepidophorum Morffe & Garcia gen. n. et sp. n. Distribution. Democratic Republic of Congo. Etymology. The generic name (neuter in gender) is derived of Chokwe, after an ethnic group from Central Africa (including the D. R. of Congo) and the suffix-nema .