Tree-killing Hemlock Woolly Adelgids Hitch Rides on Birds

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By Meredith Swett Walker At first glance, you might not think these little bits of fluff could pose much of a threat. But, like Star Trek’s troublesome tribbles, hemlock woolly adelgids (Adelges tsugae) can quickly multiply and wreak havoc. When these tiny sap-sucking insects were introduced to the forests of the Northeastern United States, they […]

West Coast Flies to the Rescue of East Coast Hemlock Forests

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A tiny fly from the Pacific Northwest may provide new hope for towering hemlock forests dying along the East Coast. Deep-green hemlock forests stretch from Georgia to southern Canada — at least they used to. Over the last few decades, an invasive insect called the hemlock woolly adelgid (Adelges tsugae) has killed millions of these […]