cooley spruce gall adelgid

Hemiptera > Adelgidae > Adelges cooleyi (Gillette)

Identification, Biology, Control and Management Resources

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Number:1326081
Description: Adult(s); Alate stage emerged from gall
Photographer:Whitney Cranshaw, Colorado State University
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Number:1325024
Description: Adult(s); overwintered female on twig
Photographer:Whitney Cranshaw, Colorado State University
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Number:1325035
Description: Nymph(s); on Douglas-fir
Photographer:Whitney Cranshaw, Colorado State University
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Number:1325030
Description: Egg(s);
Photographer:Whitney Cranshaw, Colorado State University
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Number:1325021
Description: Infestation; on Douglas-fir
Photographer:Whitney Cranshaw, Colorado State University
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Number:0355014
Description: Damage; note small brown conelike galls
Photographer:Robert L. Anderson, USDA Forest Service
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Subject Reference(s)

  • R.W. Poole and P. Gentili, Nomina Insecta Nearctica. 1996. Nomina insecta nearctica: a checklist of the insects of North America. Vol. 4. Rockville (MD): Entomological Information Services. Available at URL: http://www.nearctica.com/nomina/main.htm -
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  • Bosik, J. J. Common Names of Insects and Related Organisms 1997. Lanham, MD: Entomological Society of America (ESA), 1997. 232 pp. - http://www.entsoc.org/