Cooley spruce gall adelgid (Adelges cooleyi ) on Douglas-fir (Pseudotsuga menziesii ) - 1241563

Cooley spruce gall adelgid
Adelges cooleyi (Gillette, 1907)

Host: Douglas-fir (Pseudotsuga menziesii (Mirbel) Franco)
Descriptor: Life Cycle
Description: Alternate stage appear as tufts of cotton on needles and black "dots" of the crawler stage on new growth.
Image location: United States

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: Ladd Livingston
Organization: Idaho Department of Lands
Country: United States

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Image Number: 1241563

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Creative Commons License    This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.

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Image Citation:(?) Ladd Livingston, Idaho Department of Lands, Bugwood.org

Node Affiliation: Bugwood - UGA

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Image uploaded on Wednesday, April 14, 2004
Image Information last updated on Tuesday, May 18, 2004