Glacier Black Fly vs Siberian Ice Crawler

Side-by-side species comparison

Attribute Glacier Black Fly Siberian Ice Crawler
Scientific Name Prosimulium alpestre Grylloblattina djakonovi
Order Diptera Grylloblattodea
Family Simuliidae Grylloblattidae
Size 2-4 mm body length 18-28 mm
Habitat Mountains Mountains
Diet Blood Feeders Herbivores
Regions Alps, Northern Europe Asia
Conservation Least Concern Data Deficient

Glacier Black Fly

A small black fly whose larvae develop in fast-flowing alpine streams. Adults are among the earliest insects active after snowmelt.

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Did You Know?

Larvae anchor themselves to rocks in torrential currents using silk pads and tiny hooks.

Siberian Ice Crawler

A rare ice crawler found in the Russian Far East. It inhabits mossy rock fields and emerges at night during near-freezing temperatures.

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Did You Know?

Ice crawlers are considered living fossils, belonging to an order that has survived largely unchanged since the Permian period.