In case of beetles the mouth parts are directly attached to head.
Carpet beetle vs weevil.
This is most pron.
All weevils invariably have their mouth parts attached on a noticible specially structured snout.
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.
The pests can also proliferate on bird nests animal carcasses and dead insects cluster flies lady beetles stink bugs wasps etc which tend to be associated with attics chimneys basements and light fixtures.
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.
Carpet beetles will also feed off the felt under furniture and lamps and inside musical instrument cases.
Beetles and weevils have two major morphological differences.