Walker's Cicada vs Hemlock Woolly Adelgid

Side-by-side species comparison

Attribute Walker's Cicada Hemlock Woolly Adelgid
Scientific Name Neotibicen pronotalis Adelges tsugae
Order Hemiptera Hemiptera
Family Cicadidae Adelgidae
Size 35-45 mm 0.8-1.5 mm
Habitat Grasslands Forests
Diet Wood Feeders Sap Feeders
Regions North America Asia, North America
Conservation Least Concern Not Evaluated

Walker's Cicada

A large cicada of the southern United States with a distinctive loud buzzing call. It prefers hot, open habitats and sings during peak afternoon heat.

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Did You Know?

It is named after the entomologist Thomas J. Walker who studied insect acoustics extensively.

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.