Twin-lobed Deer Fly vs Giant Net-Winged Midge

Side-by-side species comparison

Attribute Twin-lobed Deer Fly Giant Net-Winged Midge
Scientific Name Chrysops relictus Bibiocephala grandis
Order Diptera Diptera
Family Tabanidae Blephariceridae
Size 9-12 mm 10-15 mm
Habitat Wetlands Mountains
Diet Blood Feeders Omnivores
Regions Europe, Northern Asia North America
Conservation Least Concern Least Concern

Twin-lobed Deer Fly

A golden-green eyed deer fly with distinctive dark wing markings. It breeds in peaty wetlands and bogs across northern regions.

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Did You Know?

It is one of the most common biting flies encountered in northern European bogs.

Giant Net-Winged Midge

The largest net-winged midge in North America, found in powerful western mountain torrents. Larvae have six robust suction discs for gripping wet rock.

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Did You Know?

At up to 15 mm, it is a giant among net-winged midges, most of which are under 8 mm.