DictionaryaphidSap-sucking insect
noun

aphid

AY-fid/ˈeɪfɪd/

A small insect that feeds on plant sap and can harm plants.

A green aphid feeds on the tender bean stem.

A close side view of a wingless green aphid feeding on a tender bean stem, with two smaller aphids near a curled young leaf.
Etymology

The scientific name aphis has no certain explanation. A theory described as the “least improbable” links it to Greek “unsparing,” referring either to the insects’ rapid reproduction or to their voracity.

In context

NDSUExtension4:43
they're soft bodied and pear shaped and we generally can tell it's an aphid by these cornicles or just tail that produ protrude out the back end of the aphid
2022 Spring Fever Garden Forums: Insect Pests Found in Flower Gardens

More examples

  • The gardener discovers aphids on the young shoots.
  • A ladybug moves toward an aphid on the stem.
  • The leaves curl where aphids have gathered.

Forms

aphid · aphids

Similar words

insect
A broad animal category, not specifically a sap-feeding pest.