Assassin Flies = Asilidae
Bat Flies = Streblidae
Bee Flies = Bombyliidae
Bee Lice = Braulidae
Beetle Flies = Celyphidae
Big Headed Flies = Pipunculidae
Biting Midges = Ceratopogonidae
Black Flies = Simuliidae
Black Fungus Gnats = Sciaridae
Blow Flies = Calliphoridae
Bluebottles = Calliphoridae
Bot Flies = Oestridae
Brine Flies = Ephydridae
Buffalo Gnats = Simuliidae
Carrot Flies = Psilidae
Clegs = Tabanidae
Coffin Flies = Phoridae
Crane Flies = Tipulidae
Daddy Longlegs = Tipulidae
Dance Flies = Empididae
Deer Flies = Tabanidae
Deer Keds = Hippoboscidae
Dixa Midges = Dixidae
Dung Flies = Sphaeroceridae
Elephant Flies = Tabanidae
Eye Flies = Chloropidae
Face Flies = Muscidae
Fever Flies = Bibionidae
Filth Flies = Milichiidae
Flat Footed Flies = Platypezidae
Flesh Flies = Sarcophagidae
Flower Flies = Syrphidae
Flower Loving Flies = Apioceridae
Forest Flies = Hippoboscidae
Fruit Flies = Tephritidae
Fungus Gnats = Mycetophilidae
Gad Flies = Tabanidae
Gall Flies = Tephritidae
Gall Midges = Cecidomyiidae
Globe Flies = Celyphidae
Gout Flies = Chloropidae
Grass Flies = Chloropidae
Green Heads = Tabanidae
Greenbottles = Calliphoridae
Hippo Flies = Tabanidae
Horn Flies = Muscidae
Horseflies = Tabanidae
House Flies = Muscidae
Hover Flies = Syrphidae
Humpbacked Flies = Phoridae
Kelp Flies = Coelopidae
Latrine Flies = Fanniidae
Leaf Miners = Agromyzidae
Long Legged Flies = Dolichopodidae
Louse Flies = Hippoboscidae
Love Bugs = Bibionidae
March Flies = Bibionidae
Marsh Flies = Sciomyzidae
Mosquitos = Culicidae
Moth Flies = Psychodidae
Mountain Midges = Blephariceridae
Mushroom Flies = Phoridae
Mydas Flies = Mydidae
Nest Flies = Neottiophilidae
Net Winged Midges = Blephariceridae
Non Biting Midges = Chironomidae
Owl Midges = Psychodidae
Parasite Flies = Tachinidae
Phantom Crane Flies = Ptychopteridae
Phantom Midges = Chaoboridae
Pointed Wing Flies = Lonchopteridae
Pomace Flies = Drosophilidae
Punkies = Ceratopogonidae
Rat Tailed Maggots = Syrphidae
Robber Flies = Asilidae
Root Eating Flies = Anthomyiidae
Root Maggots = Anthomyiidae
Rust Flies = Psilidae
Sand Flies = Psychodidae
Scats = Scatophagidae
Scavenger Flies = Scatopsidae
Scuttle Flies = Phoridae
Shore Flies = Ephydridae
Skipper Flies = Piophilidae
Small Fruit Flies = Drosophilidae
Small Headed Flies = Acroceridae
Snipe Flies = Rhagionidae
Soldier Flies = Stratiomyidae
Solitary Midges = Thaumaleidae
Spear Winged Flies = Lonchopteridae
Spider Parasite Flies = Acroceridae
St. Mark's Flies = Bibionidae
Stable Flies = Muscidae
Stalk Eyed Flies = Diopsidae
Stiletto Flies = Therevidae
Stilt Flies = Micropezidae
Stilt Legged Flies = Micropezidae
Tangle Veined Flies = Nemestrinidae
Thick Headed Flies = Conopidae
Tsetse Flies = Glossinidae
Upside Down Flies = Neurochaetidae
Vinegar Flies = Drosophilidae
Warble = Oestridae
Window Midges = Anisopodidae
Winter Crane Flies = Trichoceridae
Winter Gnats = Trichoceridae
Wood Gnats = Anisopodidae
Woodlouse Flies = Rhinophoridae