Arctic Mosquito vs Australian March Fly

Side-by-side species comparison

Attribute Arctic Mosquito Australian March Fly
Scientific Name Aedes nigripes Bibio imitator
Order Diptera Diptera
Family Culicidae Bibionidae
Size 5-8 mm 6-10 mm
Habitat Tundra & Arctic Woodlands
Diet Blood Feeders Herbivores
Regions Arctic Canada, Alaska, Greenland, northern Scandinavia, Siberia Australia
Conservation Least Concern Least Concern

Arctic Mosquito

A large, dark-bodied mosquito common across the Arctic tundra. Females emerge in enormous swarms after snowmelt to blood-feed on caribou and other mammals. Adults have dark scales and pale-banded legs.

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Did You Know?

Arctic mosquito swarms can be so dense they have been documented driving caribou to stampede across the tundra.

Australian March Fly

A robust black bibionid fly that appears in large numbers during the Australian autumn. It has a hairy body and is a sluggish flyer, often seen resting on vegetation.

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Did You Know?

Despite sharing the common name with horse flies in Australia, march flies in the family Bibionidae are completely harmless.