Ladybugs and praying mantises will help control harmful bugs. Flower mantises are those species of praying mantises that mimic flowers. The various giant preying mantises known as Kamacuras and the huge poisonous spider Kumonga. Large insects like mantises are key protein sources to feed queen and drone larvae. Some insects prey on Portia, for example, mantises, the assassin bugs "Nagusta" sp. Deimatic displays are made by insects including the praying mantises (Mantidae) and stick insects (Phasmatodea). Other predators include large mantises and predatory flies, particularly large robber-flies of the family Asilidae. Sexual cannibalism is common among most predatory species of mantises in captivity. Around 90% of the predatory species of mantises exhibit sexual cannibalism. This genus contains several species of flower mantises. Some species within this genus are known as unicorn mantises or stick mantises. Some species within this genus are known as boxer mantises or flower mantises. Boxer mantises are within this genus. This genus is sometimes called American grass mantises. Members of this genus are common called ground mantises.