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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Chloropidae - Frit Flies

Little Fly in Holly Tiny Fly possible Syrphidae - Thaumatomyia Meromyza Fly Tiny Fly Fly - female Diptera
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Carnoidea
Family Chloropidae (Frit Flies)
Other Common Names
Grass Flies, Stem-miner Flies, Eye Gnats, Pecker Gnats
Explanation of Names
Chloropidae Rondani 1856
~280 spp. in ~55 genera in our area(1), close to 3,000 spp. in ~200 genera worldwide(2)
Ocellar triangle usually large, shiny
common in meadows and grassy areas, though found in a variety of habitats
In most spp., larvae feed on grass stems (Poaceae, Cyperaceae, Typhaceae). Some are pests of cereals. Some spp. are saprophages, scavengers, parasites, or predators.
Life Cycle
Most hibernate as larvae; some as adults.
Some spp. (the so-called 'eye gnats') are vectors of yaws and pink eye. Some pollinate orchids or Araceae.
Works Cited
1.Manual of Nearctic Diptera Volume 2
Varies for each chapter; edited by J.F. McAlpine, B.V. Petersen, G.E. Shewell, H.J. Teskey, J.R. Vockeroth, D.M. Wood. 1987. Research Branch Agriculture Canada.
2.Thompson F.C., Pape T., Evenhuis N.L. (2013) Systema Dipterorum, Version 1.5