In general they.
Carpet beetle vs weevil.
In case of beetles the mouth parts are directly attached to head.
Carpet beetles will also feed off the felt under furniture and lamps and inside musical instrument cases.
As nouns the difference between beetle and weevil is that beetle is any of numerous species of insect in the order coleoptera characterized by a pair of hard shell like front wings which cover and protect a pair of rear wings when at rest or beetle can be a type of mallet with a large wooden head used to drive wedges beat pavements etc while weevil is.
All weevils invariably have their mouth parts attached on a noticible specially structured snout.
Carpet beetles can also thrive on lint hair and debris accumulating under baseboards and inside floor vents and ducts.
Although carpet beetles don t pose any risk to humans beyond a potential allergic reaction the larvae do chew through fabric doing damage that s often mistaken for moths.
Beetles and weevils have two major morphological differences.