No bug video today so here's a skit instead. 🙃 According to Wikipedia, the cockchafer beetles (Melolontha spp.) derive that common name from "the late-17th-century usage of "cock" (in the sense of expressing size or vigour) "chafer", which simply means an insect of this type, referring to its propensity for gnawing and damaging plants. The term "chafer" has its root in Old English ceafor or cefer, of Germanic origin and is related to the Dutch kever, all of which mean "gnawer" as it relates to

How to identify a cockchafer May bug | Natural History Museum