apple aphid

insect

Also known as: Aphis pomi

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Last updated

June 18, 2026

Quick Summary

The apple aphid (Aphis pomi) is a small, soft-bodied insect, typically yellow-green with dark markings, that feeds on the sap of apple trees. These aphids can cause significant damage by stunting plant growth, deforming leaves and flowers, and transmitting plant diseases.12

Apple aphids reproduce rapidly through parthenogenesis, with wingless females giving birth to live young throughout the summer. When populations become crowded, winged aphids develop and fly to new host plants. In the fall, males and females are produced, and the female lays overwintering eggs.1

While natural enemies like ladybugs help control aphid populations, insecticides are sometimes necessary for severe infestations. Ants may also protect aphids in exchange for honeydew, a sweet substance they excrete.13

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aphid
Types of aphids
The apple aphid (Aphis pomi) is yellow-green with dark head and legs. It overwinters as a black egg on its only host, the apple tree. It produces honeydew that supports growth of a sooty mold.
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The apple aphid (Aphis pomi) is yellow-green with dark head and legs. It overwinters as a black egg on its only host, the apple tree. It produces honeydew that supports growth of a sooty mold.
Read More