Giant Net-Winged Midge vs Dance Fly

Side-by-side species comparison

Attribute Giant Net-Winged Midge Dance Fly
Scientific Name Bibiocephala grandis Empis tessellata
Order Diptera Diptera
Family Blephariceridae Empididae
Size 10-15 mm 10-12 mm
Habitat Mountains Hedgerows
Diet Omnivores Predators
Regions North America Europe
Conservation Least Concern Least Concern

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.

Dance Fly

A predatory fly in which males present silk-wrapped insect prey as nuptial gifts to females. Mating swarms form elaborate aerial dances over landmarks.

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Did You Know?

Some males cheat by wrapping inedible items or empty silk balloons to trick females into mating.