Ca) Hycleus adamantinus species group

Monotypic group, endemic to xeric southwestern Africa.

Hycleus adamantinus (Péringuey, 1888) comb. n. (Fig. 4I)

Decapotoma adamantina Péringuey, 1888

Types. Types of this species were examined at SAMC.

Distribution. Southwestern Namibia (new species for this country) and northwestern South Africa.

Material examined. [Karas] Lüderitz: Aus, 26.6667°S 16.2667°E (CB; CP). Karasburg: Ortsansbaus 120, Warmbad, 28.3000°S 18.7000°E (SMWN) .

Remarks. Species related primarily to the Succulent Karoo and endemic to a narrow area extended in both South African and Namibian Namaqualand, and marginally in the South African Nama Karoo. Well characterized by the combination of the elytral colouration, with a posterior shiny orange spot, and 10 antennomeres.