| Examples: | cicadas, leafhoppers, planthoppers, aphids, scale insects, whiteflies |
| Wings: | 0-4; leathery at base, membranous distal |
| Mouthparts: | sucking |
| Usual number of tarsal segments: | 1-3 |
| Metamorphopsis: | simple |
| Usual size: | minute to large |
| Where usually found: | on debris, vegetation, water |