Families
(Click for common names)

ACARTOPHTHALMIDAE 
ACROCERIDAE 
AGROMYZIDAE
ANISOPODIDAE 
ANTHOMYIIDAE 
ANTHOMYZIDAE
APIOCERIDAE 
ASILIDAE 
ASTEIIDAE 
ATHERICIDAE 
AULACIGASTRIDAE 
AXYMYIIDAE 
BIBIONIDAE
BLEPHARICERIDAE 
BOMBYLIIDAE 
BRAULIDAE 
CALLIPHORIDAE 
CAMILLIDAE 
CANACIDAE 
CARNIDAE 
CECIDOMYIIDAE
CERATOPOGONIDAE 
CHAMAEMYIIDAE
CHAOBORIDAE 
CHIRONOMIDAE 
CHLOROPIDAE
CHYROMYIDAE 
CLUSIIDAE
COELOPIDAE 
CONOPIDAE 
CRYPTOCHETIDAE 
CULICIDAE
CURTONOTIDAE
CYPELOSOMATIDAE 
DEUTEROPHLEBIIDAE 
DIASTATIDAE
DIOPSIDAE
DIXIDAE
DOLICHOPODIDAE
DROSOPHILIDAE
DRYOMYZIDAE
EMPIDIDAE
EPHYDRIDAE
HELEOMYZIDAE
HILARIMORPHIDAE 
HIPPOBOSCIDAE 
LAUXANIIDAE
LONCHAEIDAE
LONCHOPTERIDAE
MICROPEZIDAE
MILICHIIDAE
MUSCIDAE
MYCETOPHILIDAE
MYDIDAE
NEMESTRINIDAE 
NERIIDAE 
NYCTERIBIIDAE 
NYMPHOMYIIDAE 
ODINIIDAE 
OESTRIDAE
OPOMYZIDAE 
OTITIDAE
PACHYNEURIDAE
PALLOPTERIDAE 
PELECORHYNCHIDAE 
PERISCELIDIDAE
PHORIDAE
PIOPHILIDAE
PIPUNCULIDAE
PLATYPEZIDAE
PLATYSTOMATIDAE
PSILIDAE
PSYCHODIDAE 
PTYCHOPTERIDAE
PYRGOTIDAE
RHAGIONIDAE
RHINOPHORIDAE 
RHINOTORIDAE 
RICHARDIIDAE 
ROPALOMERIDAE 
SARCOPHAGIDAE 
SCATOPHAGIDAE
SCATOPSIDAE 
SCENOPINIDAE
SCIARIDAE 
SCIOMYZIDAE
SEPSIDAE
SIMULIIDAE
SPHAEROCERIDAE
STRATIOMYIDAE
STREBLIDAE 
STRONGYLOPHTHALMYIIDAE 
SYNNEURIDAE 
SYRPHIDAE 
TABANIDAE
TACHINIDAE
TANYPEZIDAE
TEPHRITIDAE
TETHINIDAE 
THAUMALEIDAE 
THEREVIDAE
TIPULIDAE 
TRICHOCERIDAE 
TRIXOSCELIDIDAE 
VERMILEONIDAE 
XYLOMYIDAE
XYLOPHAGIDAE

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Common Names:

Aphid Flies (Chamaemyiidae)

Bee Flies (Bombyliidae)

Big-headed Flies (Pipunculidae)

Black Flies (Simuliidae)

Blow Flies (Calliphoridae)

Crane Flies (Tipulidae)

Coffin Flies (Phoridae)

Common Midgets (Chironomidae)

Dance Flies (Empididae)

Deer/Horse Flies (Tabanidae)

Dixid Midges (Dixidae)

Dung Flies (Scatophagidae)

Dung Flies (Sphaeroceridae)

Flat-footed
Flies (Platypezidae)

Fruit Flies (Drosophilidae)

Fungus Flies (Mycetophilidae)

Fungus Gnats (Sciaridae)

Gall Midges (Cecidomyiidae)

Hover/Flower Flies (Syrphidae)

Leaf Miner Flies (Agromyzidae)

Long-Legged Flies (Dolichopodidae)

March Flies (Bibionidae)

Marsh Flies (Lauxaniidae)

Marsh Flies (Sciomyzidae)

Minute Scavenger Flies (Scatopsidae)

Mosquitoes (Culicidae)

Phantom Craneflies (Ptychopteridae)

Phantom Midgets (Chaoboridae)

Picture-Winged Flies (Tephritidae)

Punkies (Ceratopogonidae)

Robber Flies (Asilidae)

Snipe Flies (Rhagionidae)

Soldier Flies (Stratiomyidae)

Spear-winged Flies (Lonchopteridae)

Stalk-Eyed Flies (Diopsidae)

Stem Miner Flies (Chloropidae)

Stilletto Flies (Therevidae)

Tachinid Flies (Tachinidae)

Thick-headed Flies (Conopidae)

Window Flies (Scenopinidae)

Winter Crane Flies (Trichoceridae)

Wood Flies (Anisopodidae)

Xylomyid Flies (Xylomyidae)

Xylophagid Flies (Xylophagidae)