Federal Government
Hemlock Woolly Adelgid
DOI. National Park Service. Great Smoky Mountains.
Impacts; Controls
Adelges tsugae Article Citation Search - AGRICOLA Database
USDA. National Agricultural Library.
Research; Special Note: NAL Catalog Search (resources)
Hemlock Woolly Adelgid
USDA. FS. Northern Research Station.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls; Research
Hemolock Wooly Adelgid -
Biological Control
USDA. FS.
Northeastern Area. Forest Health Protection.
Controls
Hemlock Woolly Adelgid - Pest Alert
USDA. FS. Northeastern Area.
Identification/Description; Photographs; Impacts; Distribution
Hemlock Woolly Adelgid
USDA. FS. Northeastern Area. State and Private Forestry.
Identification/Description; Photographs; Illustration; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls; Research; Special Note: Distribution Maps and HWA Working Group Coordinating Committee
Proceedings: Symposium on Sustainable Management of Hemlock Ecosystems in Eastern North America, Jun 22-24, 1999, Durham, New Hampshire [General Technical Report NE-267]
USDA. FS. Northeastern Research Station.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls; Research
Draft Environmental Assessment for the Release and Establishment of Pseudoscymnus tsugae (Coleoptera: Coccinellidae) as a Biological Agent for Hemlock Woolly Adelgid (Adelges tsugae)
DOI. Delaware Water Gap National Recreation Area.
Photographs; Illustrations; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Impacts; Controls
Research on Decline of Eastern Hemlock (Tsuga canadensis) at the Aquatic Ecology Laboratory
DOI. USGS. Biological Resources Division. Leetown Science Center. Aquatic Ecology Laboratory.
Photographs; Impacts; Habitat; Distribution; Dispersion; Research |