Barn Swallow Bug vs Eastern Tree Hole Mosquito

Side-by-side species comparison

Attribute Barn Swallow Bug Eastern Tree Hole Mosquito
Scientific Name Oeciacus vicarius Aedes triseriatus
Order Hemiptera Diptera
Family Cimicidae Culicidae
Size 3-4 mm 4-6 mm
Habitat Woodlands Forests
Diet Blood Feeders Blood Feeders
Regions North America Eastern North America
Conservation Least Concern Least Concern

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.

Eastern Tree Hole Mosquito

A forest mosquito that breeds in water-filled tree holes and discarded tires. It is the primary vector of La Crosse encephalitis virus in North America.

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Did You Know?

It can transmit La Crosse virus directly to its offspring through transovarial transmission.