Fimble Brown Lacewing vs Arctic Woolly Bear Moth

Side-by-side species comparison

Attribute Fimble Brown Lacewing Arctic Woolly Bear Moth
Scientific Name Hemerobius fenestratus Gynaephora groenlandica
Order Neuroptera Lepidoptera
Family Hemerobiidae Erebidae
Size 8-12 mm wingspan 30-40 mm wingspan
Habitat Forests Heathland
Diet Omnivores Omnivores
Regions Northern Europe, Scandinavia, Russia Canadian Arctic Archipelago, Greenland, Ellesmere Island
Conservation Least Concern Least Concern

Fimble Brown Lacewing

A small brown lacewing with fenestrate wing markings found in boreal forests. Associated with spruce and birch in northern latitudes.

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Did You Know?

It is one of the most cold-tolerant brown lacewings, found well into the subarctic zone.

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.

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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.