Large Whirligig Beetle vs Narrow-bordered Bee Hawk-moth

Side-by-side species comparison

Attribute Large Whirligig Beetle Narrow-bordered Bee Hawk-moth
Scientific Name Dineutus americanus Hemaris tityus
Order Coleoptera Lepidoptera
Family Gyrinidae Sphingidae
Size 10-13 mm 38-45 mm wingspan
Habitat Rivers & Streams Wetlands
Diet Omnivores Omnivores
Regions North America Europe, temperate Asia
Conservation Least Concern Least Concern (declining in western Europe)

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.

Narrow-bordered Bee Hawk-moth

A bumblebee mimic with largely transparent wings and a furry olive-and-brown body. It flies by day, hovering at flowers in a manner indistinguishable from a real bee.

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Did You Know?

The wing scales fall off during its first flight, leaving the characteristic clear patches.