long and are usually covered in tufts of long, dense hairs (setae). In subfamily Megatominae and the genus Trinodes, some of these setae are hastisetae: barbed setae ending in spear-like heads (hasta being the Latin word for "spear"). Hastisetae serve a defensive role, detaching and entangling predators.

Pupae of subfamilies Dermestinae and Attageninae