Turkey Gnat vs Dotted Bee Fly

Side-by-side species comparison

Attribute Turkey Gnat Dotted Bee Fly
Scientific Name Simulium meridionale Bombylius discolor
Order Diptera Diptera
Family Simuliidae Bombyliidae
Size 2-4 mm 10-14 mm
Habitat Farmland Beaches & Coastal
Diet Blood Feeders Nectar Feeders
Regions North America Europe
Conservation Least Concern Least Concern

Turkey Gnat

A black fly notorious for swarming livestock in the southern United States. Larvae attach to rocks in swift streams using silken pads and posterior hooks.

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Did You Know?

Massive swarms historically caused turkey and livestock deaths in the Mississippi Valley through blood loss and allergic reactions.

Dotted Bee Fly

A spring-flying bee fly distinguished from its commoner relative by spotted wings and a darker fur coat. Its larvae parasitize mining bee larvae of the genus Andrena.

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Did You Know?

It appears only in spring for a few weeks, closely tracking the flight season of its specific Andrena bee hosts.