Eastern Tree Hole Mosquito vs Pear Leaf-curling Midge

Side-by-side species comparison

Attribute Eastern Tree Hole Mosquito Pear Leaf-curling Midge
Scientific Name Aedes triseriatus Dasineura pyri
Order Diptera Diptera
Family Culicidae Cecidomyiidae
Size 4-6 mm 1-2 mm
Habitat Forests Orchards
Diet Blood Feeders Herbivores
Regions Eastern North America Europe, Asia, introduced to North America and Australia
Conservation Least Concern Least Concern

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.

Pear Leaf-curling Midge

A minute gall midge whose larvae cause pear leaves to roll tightly inward along their margins. Multiple generations can occur per year, progressively damaging pear tree foliage.

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Did You Know?

The larvae manipulate plant growth hormones to force leaves to curl around them, creating a protective shelter.