During most of the summer, HWA aestivate on the needles (basically a long sleep). Once temperatures begin to fall, they develop a white woolly egg mass. This generation is fully developed in the ...

Hemlock woolly adelgid was first spotted in Michigan in 2006. Ever since, this insect has posed a danger to Michigan's 170 million eastern hemlock trees. They feed on them, producing a white ...

The woolly bear caterpillar, also known as the fuzzy bear caterpillar or the woolly worm, has fuzzy bristles that are black ...

But the woolly bear caterpillar (Grammia incorrupta) is one of the only recorded species able to fight back against these unwelcome attackers. Cells known as haemocytes play an important role in the ...