Dotted Bee Fly vs Sand Gnat

Side-by-side species comparison

Attribute Dotted Bee Fly Sand Gnat
Scientific Name Bombylius discolor Culicoides furens
Order Diptera Diptera
Family Bombyliidae Ceratopogonidae
Size 10-14 mm 1-2.5 mm
Habitat Beaches & Coastal Wetlands
Diet Nectar Feeders Blood Feeders
Regions Europe Coastal Americas from the southeastern United States to Brazil
Conservation Least Concern Least Concern

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.

Sand Gnat

A very small biting midge commonly known as a no-see-um due to its near-invisible size. Despite being barely visible, its bite is intensely painful and causes persistent itching.

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Did You Know?

It is so small it can pass through standard window screens, earning the nickname no-see-um.