Emanuele Biggi / Welwitschia bugs (Probergrothius angolensis) feeding on the plant's sap, Welwitschia (Welwitschia mirabilis) Swakopmund, Namibia

Lucas Bustamante / Welwitschia true bug (Probergrothius angolensis) on female Welwitschia / Tree tumbo (Welwitschia mirabilis) with cones, Swakopmund, Erongo, Namibia.

Pete Oxford / Welwitschia bugs mating (Probergrothius sexpunctatis) Namib desert, Namibia

Richard Du Toit / Welwitschia bugs {Probergrothius sexpunctatus} on Welwitschia flowers, Namibia

Piotr Naskrecki / True Bug (Probergrothius sexpunctatus) pair mating on Welwitschia (Welwitschia mirabilis) female cone, Namib Desert, Namibia

Piotr Naskrecki / True Bug (Probergrothius sexpunctatus) group feeding on Welwitschia (Welwitschia mirabilis) female cones, Namib Desert, Namibia