What do you need?

Use the search below to search the site or find your local unit office.

Return to Skip Menu

Main Content

Hemlock Woolly Adelgid


3006-1451 (ENTO-228NP)

Authors as Published

Eric R. Day and Scott Salom

This publication is available in a PDF file format only.

Native to Asia and western North America, this adelgid was first reported in eastern Virginia in the early 1950's. It feeds on both Eastern Hemlock and Carolina Hemlock in Virginia. Since then it has spread to most of the Appalachian region of the eastern United States, see map from U.S. Forest Service on following page.


Virginia Cooperative Extension materials are available for public use, reprint, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.


Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.


December 16, 2016

Available as:

Other resources in:

Other resources by:

Other resources from: