Formosa Long-armed Scarab vs Hemlock Woolly Adelgid

Side-by-side species comparison

Attribute Formosa Long-armed Scarab Hemlock Woolly Adelgid
Scientific Name Cheirotonus formosanus Adelges tsugae
Order Coleoptera Hemiptera
Family Euchirinae Adelgidae
Size 40-60 mm 0.8-1.5 mm
Habitat Forests Forests
Diet Sap Feeders Sap Feeders
Regions Taiwan Asia, North America
Conservation Endangered Not Evaluated

Formosa Long-armed Scarab

A rare Taiwanese scarab with elongated forelimbs and a dark chestnut-brown body. It is found only in old-growth mountain forests on the island.

💡

Did You Know?

Illegal collecting for the pet trade has made this one of the most threatened beetles in East Asia.

Hemlock Woolly Adelgid

A devastating invasive pest of eastern hemlock in North America, originally from East Asia. It feeds at the base of needles, killing branches and eventually the tree.

💡

Did You Know?

It has killed millions of hemlocks from Georgia to Maine since its detection in the 1950s.