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Identifying Pests—Bloom Season

On this page
  • Cankerworm
  • Citrus cutworm
  • Green fruitworm
  • Fruittree leafroller
  • Obliquebanded leafroller
  • Western tussock moth
  • Katydids

Names link to more information on identification and management.

Click on photos to enlarge


Cankerworm larva
Identification tip: Cankerworms move along twigs and leaves in a characteristic inchworm fashion. They have a habit of standing upright and motionless on their prolegs, resembling a leafless twig.

Citrus Cutworm
Citrus cutworm larva
Identification tip: The citrus cutworm has a wide white stripe down each side.

Speckled green fruitworm larva.
Green fruitworm larva
Identification tip: Larvae are pale green caterpillars, often with whitish stripes down each side of the body and a narrow stripe down the middle of the back.

Fruittree leafroller larvae
Fruittree leafroller larva
Identification tip: Look for green larvae with black heads. Young larvae are light green and darken as they mature. These larvae are difficult to distinguish from the more damaging obliquebanded leafroller.

Obliquebanded leafroller larvae
Obliquebanded leafroller larva
Identification tip: Larvae are are yellowish green with brown to black heads.

Wester tussock moth larvae
Western tussock moth larvae
Identification tip: Look for newly
hatched fuzzy larvae

Identification tip: The forktailed bush katydid is about 1.5 inches long from head to wing tip and has red line markings. Katydid nymphs have very long antennae that are banded black and white.



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