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 caudatum Schedl Figs 57 , 60 , 63 Ctonoxylon caudatum Schedl, 1971: 8 . Type material. Holotype , male: [Democratic Republic of the] Congo Belge , Stanleyville [Kisangani], 19. 6. 1952 , K. E. Schedl [ NHMW ]. Diagnosis. Length 3.5 mm . 2.2 × as long as broad; colour dark brown and black. Eyes divided, separated by the size of upper part; head black, frons reticulate, with scattered short setae; pronotal asperities broadly distributed on anterior three-quarters; lateral anterior margin of prothorax from middle part to coxa with shallow irregular groove; propleural pit presumably present; elytral vestiture of multiple confused rows of short interstrial scale-like setae; elytral apex expanded by pair of elongated prong-like tubercles; protibiae on anterior face with shallow groove of depth 1 / 3 the width of tibia. Distribution. Democratic Republic of the Congo .