River Midge vs Belkin's Dune Tabanid Fly

Side-by-side species comparison

Attribute River Midge Belkin's Dune Tabanid Fly
Scientific Name Rheotanytarsus exiguus Brennania belkini
Order Diptera Diptera
Family Chironomidae Tabanidae
Size 3-5 mm 1-1.5 cm
Habitat Rivers & Streams Deserts & Drylands
Diet Omnivores Predators
Regions Europe United States
Conservation Least Concern Endangered

River Midge

A small filter-feeding midge that builds silken nets on submerged stones in flowing water. Larvae are among the most abundant invertebrates in clean streams.

💡

Did You Know?

Larvae build tiny fan-shaped silk nets that function like miniature versions of caddisfly catch-nets.

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.

💡

Did You Know?

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