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Pseudoscymnus tsugae, a predator of Adelges tsugae
on Tsuga canadensis in the landscape
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Abstract
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Tsuga canadensis (L.) Carrière is considered among the most graceful and beautiful of the evergreen conifers. Eastern hemlock is one of the most common woody ornamentals in the landscape and in nursery production. It is used extensively in foundation, hedge, and screening plantings. Despite its popularity, the future ornamental use of T. canadensis is bleak because of
the damage caused by A.
tsugae, the hemlock woolly adelgid.
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