Antarctic Midge vs Swallow Louse Fly

Side-by-side species comparison

Attribute Antarctic Midge Swallow Louse Fly
Scientific Name Belgica antarctica Ornithomya avicularia
Order Diptera Diptera
Family Chironomidae Hippoboscidae
Size 2-6 mm 5-7 mm
Habitat Tundra & Arctic Woodlands
Diet Detritivores Blood Feeders
Regions Antarctica Europe, Asia
Conservation Least Concern Least Concern

Antarctic Midge

The only insect endemic to Antarctica and the continents largest purely terrestrial animal at 2-6 mm. Wingless, freeze-tolerant, and can survive temperatures down to -15C.

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Did You Know?

This midge has the smallest known insect genome at 99 million base pairs — 97% smaller than a mosquito, likely an adaptation to survive extreme cold with minimal energy.

Swallow Louse Fly

A flattened, brownish winged louse fly that parasitizes a wide range of bird species. It moves rapidly through feathers using its laterally compressed body and strong tarsal claws.

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Did You Know?

It can parasitize over 30 different bird species, making it one of the most host-generalist hippoboscid flies.