Regional Comparison of Overwintering Mortality, Fecundity, and Virulence in the Hemlock Woolly Adelgid
Throughout the eastern United States, the spread of the hemlock woolly adelgid, Adelges tsugae Annand, has caused high mortality of eastern hemlocks Tsuga canadensis (L.). We recorded overwintering survival and fecundity of A. tsugae, and tree new growth at sites in the northeastern and southeastern...
Main Author: | |
---|---|
Format: | Others |
Published: |
ScholarWorks@UMass Amherst
2013
|
Subjects: | |
Online Access: | https://scholarworks.umass.edu/theses/977 https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=2131&context=theses |