An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.
Mydas Flies Missouri Department of Conservation
Fruit Flies, Gnats or Drain Flies - Pronto Pest Management
Picture Winged Fly Facts: Unveiling the Tiny Insect's World
Insect Flight Smithsonian Institution
Fruit Flies, Gnats or Drain Flies - Pronto Pest Management
Small spotted wings fly, Location: Salinas, Canelones, Urug…
Insect Flight Smithsonian Institution
Drain Flies or Moth Flies
Black Onion Fly NC State Extension Publications
Insect Identification
Tiny Flier 'Swims' through the Air at Superspeed
Insect Flight Smithsonian Institution
Alleles for wing length gene in flies. The dominant V allele