As part of the classifi cation of Membracidae from Gabon and Equatorial Guinea, a new species group of the genus Hamma Buckton, 1905 is proposed, and three new species are described: Hamma nigrum sp. nov., Hamma spinellii sp. nov. and Hamma caneparii sp. nov. An updated checklist and key to the genus Hamma are provided.
Membracidae, Hamma, new taxa, Gabon, Equatorial Guinea