Description and bioecology of two new species of the genus Cryncus (Orthoptera, Gryllidae, Gryllinae) from Cameroon with a key and distribution map of all African species

The genus Cryncus Gorochov, 1983 composed of African crickets is reported for the first time in Cameroon by description two new species collected at Zamakoe, Ongot and Engout’Adjap southern Cameroonian plateau during an inventory study carried out from March 2014 to September 2015. These are: camerounensis Um Nyobe, Kekeunou & Bilong sp. nov. desutterae Ma descriptions bring total number this 25. distinguished irregularly shaped mirror, without a dividing vein, with short apical field, while characterized divided oval mirror long field. was more abundant forest environment would exclusively colonize fallow land. This article into parts. part presents species, followed revised diagnosis using both male female characters identification key. second some bioecological data these map geographical distribution all known genus.