Sasajiscymnus tsugae (Coleoptera: Coccinellidae) has been reared as a predator that specifically targets the Hemlock Woolly Adelgid (HWA, Hemiptera: Adelgidae: Adelges
tsugae), a very destructive pest of the Eastern and Carolina Hemlock.
Pinaceae) infested with Adelges
tsugae Annand (Hemiptera: Adelgidae) (Lu et al.
Evidence of a polymorphic life cycle in the hemlock woolly adelgid, Adelges
tsugae Annand (Homoptera: Adelgidae).
Over the past two decades, several exotic pests, such as the balsam woolly adelgid, Adelges
piceae (Rathzeburg), beech scale, Cryptococcus fagisuga Lind.
Understanding the response of stands infested with hemlock woolly adelgid (HWA, Adelges
tsugae) is a critical step in identifying the influences this introduced insect will have on ecosystem processes and landscape dynamics.
The exotic hemlock woolly adelgid, Adelges
tsugae (Annand) (HWA), currently threatens to destroy the hemlock forests throughout the eastern United States (McClure, 1997).
Hemlock woolly adelgid, Adelges
tsugae Annand (Hemiptera: Adelgidae), is an exotic insect species capable of rapidly reducing populations of eastern hemlock throughout the eastern United States (McClure & Fergione 1977; Buck et al.
Introduced species such as Adelges
tsugae (Annand), hemlock woolly