Glowspot Cockroach vs Hemlock Woolly Adelgid

Side-by-side species comparison

Attribute Glowspot Cockroach Hemlock Woolly Adelgid
Scientific Name Lucihormetica subcincta Adelges tsugae
Order Blattodea Hemiptera
Family Blaberidae Adelgidae
Size 30-40mm 0.8-1.5 mm
Habitat Forests Forests
Diet Detritivores Sap Feeders
Regions South America Asia, North America
Conservation Data Deficient Not Evaluated

Glowspot Cockroach

A large dark cockroach with two glowing yellow-green spots on its pronotum produced by bioluminescent bacteria. The glowing spots mimic the toxic click beetle's warning lights. It is a forest floor dweller.

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Did You Know?

Its glowing spots mimic toxic bioluminescent click beetles, making predators think it is dangerous to eat.

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.

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Did You Know?

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