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Strawberry

Spider Mites and Caterpillars

Monitor fields after planting for spider mites and caterpillar damage to young transplants. Names link to more information on identification and management.

Click on photos to enlarge

Twospotted spider mite
Twospotted spider mite
Identification tip: Yellow stippling and discoloration of foliage. Infestations usually not heavy enough to cause visible symptoms.

 

Twospotted spider mite
Twospotted spider mite
Identification tip: Moving dots on undersides of leaflets. With hand lens: yellowish, pale green, or orange; dark blotch on each side; two red eyespots on head; eggs spherical.

Carmine spider mite adult
Carmine spider mite adult
Identification tip: Similar to twospotted spider mite in size and shape, but deep red; dark blotch on each side.


Photo not available.
Cutworms, armyworms damage
Identification tip: Irregular holes in foliage; stems chewed through; chewing damage to crowns of young plants.

Beet armyworm larva
Beet armyworm larva
Identification tip: Green, smooth-skinned caterpillar with light stripes along the sides; present on plants during the day.

Cutworm larva
Cutworm larva
Identification tip: Smooth-skinned, brown caterpillars; curl into a C-shape when disturbed; hide in soil underneath plants during the day

During Harvest

Garden tortrix damage
Garden tortrix damage
Identification tip: Silk webbing on fruit or leaves; leaflets may be webbed together or webbed to fruit.

Garden tortrix larva
Garden tortrix larva
Identification tip: Small, gray-green caterpillar with light brown head.

Garden tortix adult
Garden tortrix adult
Identification tip: Small, light brown moth; wings folded in bell shape when at rest; dark brown chevron pattern on wings.


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