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).

Any of various beetles of the family Elateridae, generally less than 20 mm long, which, if turned upside down, flip themselves into the air with a clicking sound.

Alternative spelling of leaf beetle

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

A weevil; specifically, a true weevil ("beetle belonging to the family Curculionidae")

Any beetle from the Cerambycidae family, notable for their extremely long antennae.

Any of several kinds of planthoppers with a protrusion on the head resembling a lantern.

Any of various beetles of the family Anobiidae, especially Xestobium rufovillosum, that bore into wood and make a tapping sound.

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.

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.