Ctonoxylon caudatum Schedl, 1971

Jordal, Bjarte H., 2024, An integrated taxonomic revision of Ctonoxylon (Coleoptera, Curculionidae, Scolytinae) reveals new Malagasy species originating from multiple recent colonisations of the island, ZooKeys 1203, pp. 95-130 : 95-130

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.

Figures

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.