South American Whirligig Beetle vs Arctic Woolly Bear Moth

Side-by-side species comparison

Attribute South American Whirligig Beetle Arctic Woolly Bear Moth
Scientific Name Gyrinus ovatus Gynaephora groenlandica
Order Coleoptera Lepidoptera
Family Gyrinidae Erebidae
Size 5-7 mm 30-40 mm wingspan
Habitat Ponds & Lakes Heathland
Diet Omnivores Omnivores
Regions North America, Central America, South America Canadian Arctic Archipelago, Greenland, Ellesmere Island
Conservation Least Concern Least Concern

South American Whirligig Beetle

A widespread whirligig beetle found across temperate and tropical regions of the Americas. It is highly gregarious and forms dense surface swarms.

💡

Did You Know?

Its flattened, boat-shaped body creates almost no wake, allowing it to glide efficiently across the water surface.

Arctic Woolly Bear Moth

A medium-sized moth whose caterpillar is famous for its extremely long development. Adults are gray-brown with hairy bodies. The densely hairy caterpillar is dark brown to black and curls into a tight ball when disturbed.

💡

Did You Know?

The caterpillar can take up to 14 years to complete development, spending most of each year frozen solid and thawing for only a few weeks of feeding each summer.