- A taxonomic order inside the superorder Condylognatha — the real bugs.
- An order of hexapod bugs having a jointed proboscis, including four sharp stylets (mandibles and maxillæ), for piercing. In lots of of this types (Heteroptera) leading wings tend to be partly coriaceous, and various from the other people.
- An order of course Insecta, created by Linnæus in 1742, adopting a massive number of bugs of diverse kinds obviously not to closely related in framework, extensively different in mode of life, and collectively known as insects.
- plant pests; bedbugs; some real pests; also includes suborders Heteroptera (true pests) and Homoptera (age.g., aphids, plant lice and cicadas)