Any of the beetle of the family Scarabaeidae (scarab beetles), especially of the subfamilies Scarabaeinae and Aphodiinae, noted for rolling dung into balls for use as food or as brooding chambers.

Any of numerous large beetles of the family Lucanidae, the males having elaborate mandibles resembling the antlers of a stag / The species Lucanus cervus, which is the largest beetle in the UK.

Any of various water beetles of the family Gyrinidae that swim rapidly in circles when alarmed.

A beetle, Leptinotarsa decemlineata, formerly Doryphora decemlineata, with black and yellow stripes, that is a serious pest of potatoes.

A bright-red-colored beetle, Pyrochroa serraticornis. / A related species, Pyrochroa coccinea / A more distantly related species, Schizotus pectinicornis

Any of various freshwater aquatic beetles that have a smooth oval body and flattened hind legs adapted for swimming, and that carry an air bubble underneath their abdomens.

A beetle whose defence mechanism enables it to eject a hot aqueous mixture of chemicals at predators. They come from a number of subfamilies: Carabinae (e.g., Brachinus crepitans), Metriinae (e.g., Stenaptinus insignis) and Paussinae (e.g., Goniotropis nicaraguensis).

Synonym of ladybird.

Any of various carnivorous or scavenging beetles of the family Staphylinidae that are often found in decaying matter and have slender bodies and short wing covers.

A large black beetle with a pair of strong mandibles.