boumbaensis: with reference to its type locality in the drainage area of river Boumba
Holotype: MHNG 2088.31. Type Locality: "Mawa, à mi-chemin entre Yokadouma et Moloundou", Cameroon.
Country records from Cameroun. Limits are: NORTH: Cameroun: Yaoundé (03°52'N, 11°31'E) — SOUTH: Cameroun: half-way between Yokadouma and Moloundou (02°46'30''N (03°31'N - 02°02'N), 15°08'E (15°03'E - 15°13'E)) — WEST: Cameroun: Yaoundé (03°52'N, 11°31'E) — EAST: Cameroun: half-way between Yokadouma and Moloundou (02°46'30''N (03°31'N - 02°02'N), 15°08'E (15°03'E - 15°13'E)).