Northeastern Area

Hemlock Woolly Adelgid

	HWA Home
	Contacts
	Infestations
	Quarantines
	Newsletters
	Distribution Maps
	Photo Gallery
	Web Publications
	Other Links
	Biological Control
	State & Federal Reports
	Chemical Control
	Biology
	Other Hemlock Pests
	Impacts
	Silvicultural Management

The hemlock woolly adelgid, Adelges tsugae, has been in the United States since 1924.

This introduced insect, believed to be a native of Asia, is a serious pest of eastern hemlock and Carolina hemlock. In the eastern United States, it is present from northeastern Georgia to southeastern Maine and west to eastern Tennessee.

Hot Topics 2008 Request for Research and Technology Development Proposals to Improve Management of Hemlock Woolly Adelgid Grants and Agreements Financial Plan Worksheet MS Excel spreadsheet 4th HWA Symposium: February 12-14, 2008 Standardizing Sampling for Detection and Monitoring of Hemlock Woolly Adelgid in Eastern Hemlock Forests--Scott Costa and Bradley Onken - FHTET-2006-16 - October 2006 HWA Bibliography Database HWA Management Initiative HWA Communication Plan