Order Diptera
(true flies)

Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.

• Parent taxa
  
  
  
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  Superorder Neoptera
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  Holometabola
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  Order Diptera (true flies)
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  Suborder Brachycera (circular-seamed flies, muscoid flies, and short-horned flies)
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  Infraorder Muscomorpha
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  Family Acartophthalmidae (acartophthalmid flies)
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  Family Acroceridae (small-headed flies)
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  Family Agromyzidae (leafminer flies)
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  Family Anthomyiidae (anthomyiid flies)
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  Family Anthomyzidae (anthomyzid flies)
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  Family Apioceridae (flower-loving flies)
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  Family Asilidae (robber flies)
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  Family Asteiidae (cryptochelid flies)
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  Family Atelestidae
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  Family Aulacigastridae (aulacigastrid flies)
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  Family Bombyliidae (bee flies)
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  Family Braulidae (bee lice)
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  Family Calliphoridae (blow flies, bluebottles, cluster flies, and greenbottles)
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  Family Camillidae (camillid flies)
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  Family Campichoetidae
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  Family Canaceidae (surf flies)
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  Family Carnidae
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  Family Chamaemyiidae (aphid flies and small dung flies)
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  Family Chloropidae (chloropid flies)
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  Family Chyromyidae (chiromyid flies)
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  Family Clusiidae (clusiid flies)
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  Family Coelopidae (kelp flies and seaweed flies)
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  Family Conopidae (thick-headed flies)
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  Family Cryptochetidae (cryptochetid flies)
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  Family Curtonotidae (curtonotid flies)
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  Family Cypselosomatidae
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  Family Diastatidae (diastatid flies)
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  Family Diopsidae (stalk-eyed flies)
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  Family Dolichopodidae (longlegged flies)
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  Family Drosophilidae (pomace flies, small fruit flies, and vinegar flies)
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  Family Dryomyzidae (dryomyzid flies)
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  Family Empididae (balloon flies and dance flies)
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  Family Ephydridae (brine flies and shore flies)
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  Family Fanniidae
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  Family Heleomyzidae (heleomyzid flies)
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  Family Hilarimorphidae (hilarimorphid flies)
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  Family Hippoboscidae (keds and louse flies)
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  Family Hybotidae
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  Family Lauxaniidae (beach flies and lauxaniid flies)
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  Family Lonchaeidae (lanceflies and lonchaeid flies)
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  Family Lonchopteridae (spear-winged flies)
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  Family Micropezidae (stilt-legged flies)
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  Family Microphoridae
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  Family Milichiidae (milichiid flies)
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  Family Muscidae (face flies, horn flies, house flies, muscid flies, stable flies, and tsetse flies)
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  Family Mydidae (mydas flies)
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  Family Nemestrinidae (tangle-veined flies)
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  Family Neriidae (cactus flies)
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  Family Odiniidae (odiniid flies)
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  Family Oestridae (bot flies and warble flies)
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  Family Otitidae (picture-winged flies)
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  Family Pallopteridae (pallopterid flies)
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  Family Periscelididae (periscelidid flies)
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  Family Phoridae (humpbacked flies)
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  Family Piophilidae (cheese skippers and skipper flies)
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  Family Pipunculidae (big-headed flies)
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  Family Platypezidae (flat-footed flies)
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  Family Platystomatidae (picture-winged flies)
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  Family Psilidae (rust flies)
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  Family Pyrgotidae (pyrgotid flies)
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  Family Rhinophoridae (woodlouse flies)
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  Family Richardidae (richardid flies and thyreophorid flies)
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  Family Ropalomeridae (ropalomerid flies)
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  Family Sarcophagidae (flesh flies)
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  Family Scatophagidae (dung flies)
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  Family Scenopinidae (windoe flies and window flies)
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  Family Sciomyzidae (marsh flies)
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  Family Sepsidae (black scavenger flies)
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  Family Sphaeroceridae
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  Family Strongylophthalmyiidae
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  Family Syrphidae (flower flies and syrphid flies)
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  Family Tachinidae (tachinid flies)
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  Family Tanypezidae (tanypezid flies)
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  Family Tephritidae (fruit flies)
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  Family Tethinidae (tethinid flies)
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  Family Therevidae (stiletto flies)
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  Family Vermileonidae
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  Infraorder Stratiomyomorpha
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  Family Stratiomyidae (soldier flies)
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  Family Xylomyidae (xylomyid flies)
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  Infraorder Tabanomorpha
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  Family Athericidae
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  Family Pelecorhynchidae (pelecorhynchid flies)
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  Family Rhagionidae (snipe flies)
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  Family Tabanidae (deer flies)
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  Family Vermilconidae
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  Infraorder Xylophagomorpha
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  Family Pantophthalmidae
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  Family Xylophagidae (xylophagid flies)
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  Suborder Nematocera (long-horned flies)
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  Infraorder Axymyiomorpha
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  Family Axymyiidae
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  Family Pachyneuridae (pachyneurid gnats)
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  Infraorder Bibionomorpha
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  Family Bibionidae (harlequin flies and march flies)
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  Family Bolithophilidae
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  Family Cecidomyiidae (gall gnats and gall midges)
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  Family Diadocidiidae
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  Family Ditomyiidae
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  Family Hesperinidae
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  Family Keroplatidae
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  Family Lygistorrhinidae
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  Family Mycetophilidae (fungus gnats)