(US) Any assassin bug of the genus Arilus, large true bugs with wheel-shaped pronotal armor. They are predators upon soft-bodied insects.

Alternative spelling of doodlebug

An insect in any of several species of true bugs in the family Coreidae which feed on plants in the family Cucurbitaceae / (US) Anasa tristis

Any insect in the subfamily Phymatinae of the family Reduviidae.

A pirate bug

A kissing bug

Any insect in the family Nabidae

Any insect in the family Anthocoridae, known as effective predators of other insects, and used in biological control.

Any insect in the family Veliidae, aquatic true bugs related to the water striders.

Any insect in the family Gelastocoridae, which are predatory riparian true bugs