Cilnia humeralis, common name wide-armed mantis, is an aggressive and very cannibalistic species of praying mantis from Africa.
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 species of mantis contains two subspecies.
This subspecies of mantis is found in Tanzania.
This subspecies of mantis is found in Ethiopia, Mozambique, South Africa, Namibia.
Synonyms of this subspecies include: