An integrated taxonomic revision of Ctonoxylon (Coleoptera, Curculionidae, Scolytinae) reveals new Malagasy species originating from multiple recent colonisations of the island Author Jordal, Bjarte H. 0000-0001-6082-443X Department of Natural History, University Museum of Bergen, University of Bergen, P. O. 7800, NO- 5020 Bergen, Norway text ZooKeys 2024 2024-05-28 1203 95 130 journal article 10.3897/zookeys.1203.123757 6FE93D4B-8104-45F4-850A-C1B78CA10A9D Ctonoxylon kivuensis Schedl Figs 59 , 62 , 65 Ctonoxylon kivuensis Schedl, 1957: 44 . Type material. Holotype , male: [Democratic Republic of the] Congo Belge , Kivu , Mulungu , 2. VIII. 1952 , ex Popowia , KE Schedl , leg. [ RMCA , paratype in NHMW ]. Figures 57–65. Dorsal, lateral, and front views of 57, 60, 63 Ctonoxylon caudatum male holotype 58, 61, 64 Ctonoxylon crenatum male holotype, and 59, 62, 65 Ctonoxylon kivuensis male holotype. Diagnosis (male). Length 1.6 mm . 2.2 × as long as broad; colour brown. Eyes divided, separated by slightly more than the size of upper part; antennal club setose, sutures obscure; male frons slightly impressed, smooth and glabrous in centre, with fine soft setae closer to eyes and vertex; pronotum roughly punctured, with sharp asperities on anterior half, anterior pair of teeth small, located behind front margin; lateral anterior margin of prothorax from middle part to coxa with shallow irregular groove; propleural pit round, deep; elytral striae impressed, punctures large, separated by their diameter or less; vestiture consisting of irregular rows of long, soft bristle-like setae; elytral suture slightly buckled at midlength, apex entire. Distribution. Democratic Republic of the Congo . Biology. Only known from the medium altitude ( 732 m ) type locality in the Congo basin, breeding in a Popowia branch ( Annonaceae ).