Snow Flea vs Barn Swallow Bug

Side-by-side species comparison

Attribute Snow Flea Barn Swallow Bug
Scientific Name Glaciopsyllus antarcticus Oeciacus vicarius
Order Siphonaptera Hemiptera
Family Ceratophyllidae Cimicidae
Size 2-3 mm 3-4 mm
Habitat Tundra & Arctic Woodlands
Diet Blood Feeders Blood Feeders
Regions Oceania North America
Conservation Least Concern Least Concern

Snow Flea

A flea that parasitizes petrels and survives Antarctic conditions year-round.

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Did You Know?

It is the southernmost known flea, enduring temperatures far below freezing.

Barn Swallow Bug

A cimicid ectoparasite of cliff swallows and barn swallows in North America. It can bite humans in buildings after swallow nests are abandoned.

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Did You Know?

Swallow colonies may abandon heavily infested nesting sites and relocate to parasite-free locations.