Revision of the genus Ingoma Fennah, 1954 (Hemiptera, Auchenorrhyncha, Fulgoroidea, Tropiduchidae), with the descriptions of a new subgenus and three new species from the Congo Basin

The genus Ingoma Fennah, 1954 of the tribe Trienopini Fennah, 1954 (Tropiduchinae Stål, 1866) is revised. The type species of the genus, Ingoma triquerta Fennah, 1954, originally based on a single female from southern Kenya, is redescribed after the male from the same area. Three new species, Ingoma corona n. sp., I. milardi sp. n., and I. draco n. sp., representing a new subgenus, Congoma n. subgen., are described from the Democratic Republic of the Congo and Central African Republic. Ingoma (Congoma) draco n. sp. is described with two subspecies – Ingoma (Congoma) draco draco n. subsp. from Kongo Central Province and Ingoma (Congoma) draco sinespinosa n. subsp. from Kasaï-Central Province of the Democratic Republic of the Congo. Key to subgenera, species, and subspecies of Ingoma is given. The relationships of Ingoma within the tribe Trienopini are briefly discussed.