Lesser Swallow Prominent Moth vs Large Whirligig Beetle

Side-by-side species comparison

Attribute Lesser Swallow Prominent Moth Large Whirligig Beetle
Scientific Name Pheosia gnoma Dineutus americanus
Order Lepidoptera Coleoptera
Family Notodontidae Gyrinidae
Size 44-54 mm wingspan 10-13 mm
Habitat Heathland Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, Asia North America
Conservation Least Concern Least Concern

Lesser Swallow Prominent Moth

A white moth very similar to the Swallow Prominent but with a thinner dark wedge mark and a clear white hindwing. It is associated with birch rather than poplar.

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Did You Know?

It can be reliably separated from its close relative only by examining the width of the forewing wedge mark.

Large Whirligig Beetle

The largest North American whirligig beetle, found on the surface of streams and rivers. It produces defensive chemicals that smell like apples when disturbed.

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Did You Know?

When alarmed, large groups scatter in erratic spirals, creating a confusing display that deters predators.