Balsam Woolly Adelgid vs Swollen-thorn Acacia Ant

Side-by-side species comparison

Attribute Balsam Woolly Adelgid Swollen-thorn Acacia Ant
Scientific Name Adelges piceae Pseudomyrmex peperi
Order Hemiptera Hymenoptera
Family Adelgidae Formicidae
Size 0.5-1 mm 3-5 mm
Habitat Forests Forests
Diet Sap Feeders Nectar Feeders
Regions Europe, North America Mexico, Central America
Conservation Not Evaluated Least Concern

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.

Swollen-thorn Acacia Ant

An obligate acacia-ant mutualist that nests exclusively within the hollow thorns of Vachellia trees. Workers patrol the tree constantly, stinging any animal that contacts it.

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Did You Know?

Acacia trees with these ant colonies grow significantly faster than uncolonized trees due to the ant's protection services.