PLANT DAMAGE BY INSECTS Alexandre Latchininsky, UW CES Entomologist

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Presentation transcript:

PLANT DAMAGE BY INSECTS Alexandre Latchininsky, UW CES Entomologist Cheyenne, January 22, 2007

INSECT MOUTHPARTS Chewing - mandibles Piercing-sucking beak Sucking - proboscis Plant damage results from feeding, which depends on the type of mouthparts

Leaf feeding damage Adult Colorado potato beetle Larvae

Root Weevil and its damage to peony © A. Latchininsky 2006 © A. Latchininsky 2006

Leaf cutter bee and its damage © A. Latchininsky 2006

Skeletonized leaf feeding Alfalfa weevil Leaf beetle larvae

Heavy feeding damage

Leaf feeding and shotholes European corn borer Armyworm

Leaf feeding (underside) Mexican bean beetle Larva Adult

Plant tissue damage discoloration Thrips

Two-spotted spider mite

Leaf curling and distortion Aphids

Leaf curling and distortion Thrips

Stink bug damage

Leaf mining damage Agromyza nana

Gall-forming and leaf-mining pests… Eriophyoid mite damage to aspen © A. Latchininsky 2006 Eriophyoid mite damage to aspen © A. Latchininsky 2006 Liriomyza fly damage to goosefoot

Leaf-mining damage Liriomyza fly damage to goosefoot © A. Latchininsky 2006 Liriomyza fly damage to goosefoot

Plant disease vector Pierce’s disease symptoms Glassy-winged sharpshooter

Arthropod-caused plant galls

Gall-forming damage Eriophyoid mite damage to aspen © A. Latchininsky 2006 Eriophyoid mite damage to aspen

Spittlebug damage

Stem borer damage

White Pine Weevil Damage

Horntail Wasp damage Pigeon tremex

Bark beetle damage

Which Insect Caused the Damage?