Passalidius fortipes, Burrowing Ground Beetle. 32mm. [image by M. Picker & C. Griffiths ©, from Field Guide to Insects of South Africa, used with permission].

Acanthoscelis ruficornis (Beach Ground Beetle), 18mm, is a predatory ground beetle found on sandy shores round South Africa where it feeds on kelp-feeding amphipods and isopods. [image by M. Picker & C. Griffiths ©, from Field Guide to Insects of South Africa, used with permission].

Scarites rugosus, Beach Ground Beetle, 30mm, similar to Acanthoscelis ruficornis. Ocurs in sand below shore plants. [image by H Robertson ©, from Field Guide to Insects of South Africa, used with permission].