Forest Bug vs Balsam Woolly Adelgid

Side-by-side species comparison

Attribute Forest Bug Balsam Woolly Adelgid
Scientific Name Pentatoma rufipes Adelges piceae
Order Hemiptera Hemiptera
Family Pentatomidae Adelgidae
Size 13-16 mm 0.5-1 mm
Habitat Woodlands Forests
Diet Sap Feeders Sap Feeders
Regions Europe Europe, North America
Conservation Least Concern Not Evaluated

Forest Bug

A large European shield bug with distinctive red-orange legs and a small tooth on each shoulder. It is arboreal and common on deciduous trees.

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Did You Know?

Despite being mainly herbivorous, it occasionally turns predatory and feeds on caterpillars and other soft insects.

Balsam Woolly Adelgid

An invasive European adelgid that kills fir trees in North America. Its feeding causes abnormal wood formation called rotholz.

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Did You Know?

It nearly eliminated Fraser fir from the highest peaks of the southern Appalachian Mountains.