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Identifying Aphids

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Mealy plum aphid Leaf curl plum aphid

Winged adults
Winged adult mealy plum aphid and nymph.

Identification tip: The pale green adult has a dark thorax and transverse bands on its abdomen.

Winged adults
Winged adult leaf curl plum aphid.

Identification tip: The green aphid has a dark head and thorax with dark markings on its abdomen.
Wingless adults
Mealy plum aphid adult.
Identification tip:
Adults are pale green with a white coating of wax.
Wingless adults
Leaf curl plum aphid adult with wing pads.
Identification tip: Adults are yellow-green, green, or yellow-brown and shiny.
Mealy plum aphid colony.
Identification tip: Colonies appear to be dusted with wax.
Leaf curl plum aphids, Brachycaudus helichrysi.
Identification tip:
Colonies lack a waxy coating.
Leaf curling
Plum leaves damaged by leaf curl plum aphid infestation.
Identification tip:
Leaves are slightly curled and stunted.
Leaf curling
Curling and distortion of foliage caused by leaf curl plum aphids.
Identification tip: Leaves are tightly curled.
Parasitized mealy plum aphid.
Identification tip:
Aphids that have been parasitized by wasps become swollen and tan colored (mummified). Below this mealy plum aphid mummy is the wasp pupa that parasitized it.


Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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