Belkin's Dune Tabanid Fly vs Swede Midge

Side-by-side species comparison

Attribute Belkin's Dune Tabanid Fly Swede Midge
Scientific Name Brennania belkini Contarinia nasturtii
Order Diptera Diptera
Family Tabanidae Cecidomyiidae
Size 1-1.5 cm 1.5-2 mm
Habitat Deserts & Drylands Farmland
Diet Predators Gall Makers
Regions United States Europe, North America
Conservation Endangered Least Concern

Belkin's Dune Tabanid Fly

A rare horse fly known only from the El Segundo sand dunes in Los Angeles County. Larvae develop in the sand and adults are seldom encountered.

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Did You Know?

Most of the El Segundo dunes were destroyed to build Los Angeles International Airport.

Swede Midge

A minute yellowish-brown gall midge that attacks brassica crops by distorting growing points. Its tiny larvae feed inside developing buds, causing characteristic twisted and swollen growth.

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Did You Know?

It was first detected in North America in 2000 and has since become a major emerging pest of brassica crops.