Revision of Afrotropical Monolepta species (Coleoptera, Chrysomelidae, Galerucinae) Part III:: Species with red elytra and yellow prothorax, including descriptions of new species

Material of Afrotropical Monolepta Chevrolat, 1837 which are characterized by red elytra, metathorax and abdomen, and a yellow head, prothorax (including pronotum) and mesothorax, is revised. Six new species are described: Monolepta budongoensis sp. n. and Monolepta congoensis sp. n. distributed from Cameroon eastwards to the Albertine Rift in western Uganda; Monolepta decellei sp. n. distributed from Sierra Leone to Ghana; Monolepta alwineae sp. n. from Liberia and Cameroon, Monolepta tessmanni sp. n. from Nigeria and Cameroon, and Monolepta heinrichi from northern Tanzania. Material of Monolepta conradi Jacoby, 1899 from west Africa, Monolepta alluaudi Laboissiere, 1920 (= Monolepta montana Bryant, 1953 syn. n.) from eastern Africa, and Monolepta umbrobasalis Laboissiere, 1940 and Monolepta wittei Laboissiere 1940 from the Albertine Rift, is revised. Lectotypes are designated for M. alluaudi, M. montana, M. wittei and M. umbrobasalis. Distribution maps and an identification key are given.