Establishment and coexistence of two predators, Laricobius nigrinus and Sasajiscymnus tsugae, introduced against hemlock woolly adelgid on eastern hemlock

Hakeem, Abdul; Grant, Jerome Franklin; Wiggins, Gregory J.; Lambdin, Paris Lee; Rhea, James R.

Establishment and coexistence of two predators, Laricobius nigrinus and Sasajiscymnus tsugae, introduced against hemlock woolly adelgid on eastern hemlock

2011

Hakeem, Abdul | Grant, Jerome Franklin | Wiggins, Gregory J. | Lambdin, Paris Lee | Rhea, James R.

The coexistence of two introduced predatory species, Laricobius nigrinus Fender and Sasajiscymnus tsugae (Sasaji and McClure), and a native predator, L. rubidus LeConte, on eastern hemlock was documented for the first time. Details of their coexistence and implications to management of hemlock woolly adelgid, Adelges tsugae Annand, are discussed.

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