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| blue spruce gall aphid (Adelges cooleyi, Chermes cooleyi, Chermes oweni, Gillettea cooleyi, Gilletteella cooleyi); cooley spruce gall aphid (Adelges cooleyi, Chermes cooleyi, Chermes oweni, Gillettea cooleyi, Gilletteella cooleyi); douglas fir adelges (Adelges cooleyi, Chermes cooleyi, Chermes oweni, Gillettea cooleyi, Gilletteella cooleyi); sitka spruce gall aphid (Adelges cooleyi, Chermes cooleyi, Chermes oweni, Gillettea cooleyi, Gilletteella cooleyi) | |||