woolly adelgid

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  • noun

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an insect that feeds on hemlocks

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The hemlock woolly adelgid is a poppyseed-sized invasive insect that hitched a ride from southern Japan - probably on an ornamental hemlock tree - and landed in Richmond, Va.
Kenneth Gooch, Forest Health Program supervisor for the Department of Conservation and Recreation, collects 10 sample branches of Hemlock woolly adelgid on Hemlock trees at Wells State Park in Sturbridge, in upper right photo.
The hemlock woolly adelgid lives on the sap of hemlocks.
Predicting the impact of hemlock woolly adelgid on carbon dynamics of eastern United States forests.
The latest threat to the forest emerged in 2002 when another Asian woolly adelgid that kills hemlock, another keystone species of the forest, entered the park.
Eastern hemlock is currently being threatened by the hemlock woolly adelgid (Adelges tsugae), a defoliating insect.
They will also help you become aware of looming forest pest troubles, like gypsy moths or woolly adelgid (which targets hemlock trees).
ABSTRACT -- Light to moderately-heavy hemlock woolly adelgid infestations on eastern hemlocks were discovered in the Great Smoky Mountains National Park in 2002.
The insect is the Hemlock Woolly Adelgid (Adeleges tsugae) and in the eastern United States it has a very large food supply and no natural predators.
Asana is another spray that controls the balsam woolly adelgid, a European insect that has devastated Fraser firs in forest stands, flattening their tops, swelling their joints and hardening their wood.
The primary threat to the health and sustainability of the eastern hemlock forest is the Hemlock Woolly Adelgid (HWA).
Eastern forests are being threatened by a growing list of invading insect pests like the gypsy moth, emerald ash borer, and hemlock woolly adelgid.
The handout includes information on the geological history of the area, the history of Middletown as a port, an industrial city, and a post-industrial community, the making of the campus, and some recent environmental events in the area, such as the separation of storm sewers from waste sewers to prevent further pollution of the river, or the arrival of the woolly adelgid and the consequences for native hemlocks.
New England hemlock trees are under assault from the woolly adelgid, an aphidlike insect that has migrated northward with warmer winters (Foster D.