balsam woolly aphid

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Noun1.balsam woolly aphid - a variety of adelgid
Adelges, genus Adelges - type genus of the Adelgidae: plant lice
adelgid - any of various insects that feed and form galls on conifers
References in periodicals archive ?
Symptoms of infestation by the balsam woolly aphid displayed by Fraser fir and bracted balsam fir.
Studies of the balsam woolly aphid, Adelges piceae (Ratz.
Distribution and characteristics of balsam woolly aphid infestations in the Great Smoky Mountains.