noun
: an aphid ( Adelges piceae ) native to northern Europe and widespread in No. America that severely damages fir (as balsam fir) causing swollen twigs and abnormal growth and covering the stems with a dirty white flocculent encrustation
noun
: an aphid ( Adelges piceae ) native to northern Europe and widespread in No. America that severely damages fir (as balsam fir) causing swollen twigs and abnormal growth and covering the stems with a dirty white flocculent encrustation
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012