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    Egg(s) (1)
    Infestation (1)

USDA Forest Service Archive's Images

Organization: USDA Forest Service
Unit: Northern and Intermountain Region
Country: United States
Web: http://www.fs.fed.us/r1-r4/spf
Remove Filters: Gallmaker Insects(X) Field(X) Portrait(X)
2 Images of 2 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
2254012 cooley spruce gall adelgid Adelges cooleyi mass
2253020 balsam woolly adelgid Adelges piceae

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