Odd bump on praying mantis chest is actually world’s weirdest tongue

A bristly bump on some mantises’ chests is a never-before-seen “gustifolium”, which may have evolved to help the insects with their highly specialised lifestyles

​A bristly bump on some mantises’ chests is a never-before-seen “gustifolium”, which may have evolved to help the insects with their highly specialised lifestyles A bristly bump on some mantises’ chests is a never-before-seen “gustifolium”, which may have evolved to help the insects with their highly specialised lifestyles