American Sand Mayfly vs Common Wainscot Moth

Side-by-side species comparison

Attribute American Sand Mayfly Common Wainscot Moth
Scientific Name Dolania americana Mythimna pallens
Order Ephemeroptera Lepidoptera
Family Behningiidae Noctuidae
Size 10-15 mm body 33-40 mm wingspan
Habitat Rivers & Streams Grasslands
Diet Omnivores Omnivores
Regions North America Europe, Central Asia
Conservation Least Concern Least Concern

American Sand Mayfly

Holds the record for the shortest adult lifespan of any insect — females live less than five minutes as adults, just long enough to mate and lay eggs before dying.

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Did You Know?

Female Dolania americana mayflies live less than five minutes as adults — they emerge, mate, lay eggs, and die faster than most people take a coffee break.

Common Wainscot Moth

A plain straw-colored moth with a white hindwing and few distinguishing marks. It is abundant in grasslands and regularly comes to light traps.

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Did You Know?

Its plain appearance makes it one of the most easily overlooked yet abundant moths in Europe.