Chortastus schenklingi Hagedorn, 1909

Jordal, Bjarte H., 2025, Taxonomic revision of the rare Afrotropical genus Chortastus Schaufuss (Coleoptera: Scolytinae), Zootaxa 5647 (1), pp. 77-84 : 80

Chortastus schenklingi Hagedorn, 1909

( Figs 19–22 )

Chortastus schenklingi Hagedorn, 1909: 737 .

Type material. Syntypes: Kamerun [ ZMHB]

Other material. Cameroon, Niombe, 1912, Herre leg. [ NHMW] ; Democratic Republic of the Congo, Sanzulu , 4.IV.1926, A. Collart, leg. [ RBINS]; Binga, -Kondo [ Zimbabwe border], 15.VI.1926 [ RBINS], new country .

Diagnosis. Body length 2.7–3.1 mm, 2.0–2.1 × as long as wide. Male frons with a long tuft of golden setae from vertex and anterior margin of eyes to near epistoma; female frons flat with short erect setae; pronotum and elytra with similar type of short erect setae; interstriae 2 on declivity slightly impressed and smooth, interstriae 3 with an elevated ridge as high as the width of a femur.

Distribution: Nigeria, Cameroon, Gabon, Equatorial Guinea, Democratic Republic of the Congo.

Remarks. Despite the many records from five African countries, a host plant has not yet been noted. A first record for the Democratic Republic of the Congo is given. This species is unmistaken by the long ridges on the elytral declivity.

Figures

FIGURES 19–25. Dorsal, lateral and front view of Chortastus species. 19–21, Chortastus schenklingi female, and 22, male. 23–25, Chortastus verrucosus sp. nov., female holotype (Fig. 25, image flipped).