The offspring of beetles imported from British Columbia are ready to take up the fight against an invasive insect that is ...

Needles – 2-ranked; 1/2″ long; tapering from the base to the apex ... large content of tannins. For this reason alone, Eastern hemlock trees were the most preferable and desirable bark used in the ...

This tiny parasite spreads across the forest by hitch-hiking on birds. HWA use sucking mouthparts to pierce through the base of the hemlock needles into the parenchyma cells (nutrient transport cells) ...

(WFRV) – The Wisconsin Department of Natural Resources (DNR) warns that hemlock woolly adelgid and balsam woolly adelgid are ...

Hemlock woolly adelgids on hemlock tree needles are seen through a microscope at a lab in Petersham, Mass., Oct. 5, 2016. THE CANADIAN PRESS/AP-Elise Amendola FREDERICTON — The offspring of ...

The tiny bugs kill hemlock trees by attaching to the base of needles and feeding on sugars, starving the tree of nutrients. They leave behind a white substance that looks like wool, giving them ...

Infested trees can be identified by yellowing needles and will often die without intervention. The eastern hemlock also plays a key role in the lives of our state fish, the book trout, by ...

As part of their annual Hemlock Woolly Adelgid Survey Training Series, Education Outreach Coordinator, with SLELO-PRISM, and Linda Gibbs with THTLT, led a ...

The pests white, cottony egg sacs can be seen year-round on the undersides of hemlock branches at the base of the needles. The adelgid’s saliva enters the tree while the insect feeds ...

It can be spread by wind, birds, animals or even humans. It kills trees by sucking out the sap, which causes the hemlock needles to fall off and the tree to wither. The woolly adelgid gets its ...