Cilnia humeralis, common name wide-armed mantis, is an aggressive and very cannibalistic species of praying mantis from Africa.

[1][2] A breeder in Great Britain describes C. humeralis as "a very stockily built species with huge forelegs; possibly the most powerful and aggressive species I have kept.

This subspecies of mantis is found in Tanzania.

[5] This subspecies of mantis is found in Ethiopia,[6] Mozambique,[7] South Africa,[8] Namibia.

This Mantidae-related article is a stub.