Ctonoxylon kivuensis Schedl, 1957

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 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].

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 ).

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.