Acroceridae / Agromyzidae / Anthomyiidae / Apioceridae / Asilidae / Bibionidae / Bombyliidae / Calliphoridae / Canacidae / Carnidae / Cecidomyiidae / Ceratopogonidae / Chamaemyiidae / Chironomidae / Chloropidae / Chyromyidae / Conopidae / Dolichopodidae / Drosophilidae / Empididae / Ephydridae / Fanniidae / Heleomyzidae / Hippoboscidae / Hybotidae / Lauxaniidae / Limoniidae / Lonchaeidae / Micropezidae / Milichiidae / Muscidae / Mycetophilidae / Mydidae / Mythicomyiidae / Neriidae / Odiniidae / Oestridae / Opomyzidae / Phoridae / Piophilidae / Pipunculidae / Platypezidae / Platystomatidae / Polleniidae / Psychodidae / Pyrgotidae / Rhagionidae / Richardiidae / Sarcophagidae / Scathophagidae / Scatopsidae / Scenopinidae / Sciaridae / Sciomyzidae / Sepsidae / Simuliidae / Sphaeroceridae / Stratiomyidae / Syrphidae / Tabanidae / Tachinidae / Tephritidae / Therevidae / Tipulidae / Ulidiidae
FAMILY ACROCERIDAE (Small-headed Flies) Browse here
- Acrocera
- Acrocera
- Acrocera
- Acrocera
- Acrocera
- Acrocera
FAMILY AGROMYZIDAE (Leaf Miner Flies)
- Liriomyza
- Liriomyza
- Liriomyza
- Liriomyza
- Liriomyza
- Liriomyza
FAMILY ANTHOMYIIDAE (Root-maggot Flies) Browse here
- Anthomyia
- Calythea micropteryx
- Delia
- Delia
- Delia
- Eutrichota nigrifemur
FAMILY APIOCERIDAE (Flower-loving flies)
- Apiocera
- Apiocera
- Apiocera
FAMILY ASILIDAE (Robber Flies) Browse here
- Efferia
- Hodophylax aridus
- Mallophora fautrix
- Megaphorus
- Ospriocerus aeacus
- Saropogon nitidus
FAMILY BIBIONIDAE (March Flies) Browse here
- Bibio albipennis
- Bibio albipennis
- Bibio xanthopus group
- Bibio xanthopus
- Bibiodes halteralis
- Dilophus orbatus
FAMILY BOMBYLIIDAE (Bee Flies) Browse here
- Aphoebantus
- Exoprosopa rhea
- Hemipenthes curta
- Poecilanthrax effrenus
- Poecilognathus
- Villa
FAMILY CALLIPHORIDAE (Blow Flies) Browse here
- Calliphora latifrons
- Chrysomya megacephala
- Chrysomya rufifacies
- Cochliomyia macellaria
- Lucilia cuprina
- Lucilia sericata
FAMILY CANACIDAE
- Pelomyia
- Pelomyia
- Pelomyia
- Pelomyia
- Pelomyia
FAMILY CARNIDAE
- Hemeromyia
- Hemeromyia
- Hemeromyia
- Hemeromyia
- Hemeromyia
FAMILY CECIDOMYIIDAE (Gall Midges and Wood Midges) Browse here
- Asphondylia auripila
- Supertribe Cecidomyiidi
- Supertribe Lasiopteridi
- Tribe Asphondyliini
- Tribe Asphondyliini
- Tribe Asphondyliini
FAMILY CERATOPOGONIDAE (Biting Midges) Browse here
- Ceratopogonidae
- Dasyhelea
- Dasyhelea
- Culicoides
- Forcipomyia
- Forcipomyia
FAMILY CHAMAEMYIIDAE
- Leucopis
- Leucopis
- Leucopis
FAMILY CHIRONOMIDAE (Midges) Browse here
- Chironomus
- Tribe Chironomini
- Tribe Chironomini
- Tribe Tanytarsini
- Subfamily Orthocladiinae
- Tanypus subgenus Apelopia
FAMILY CHLOROPIDAE (Frit Flies, Grass Flies, Stem-miner Flies, and Eye Gnats) Browse here
- Chlorops
- Diplotoxa
- Elachiptera
- Liohippelates collusor
- Pseudogaurax signatus
- Thaumatomyia
FAMILY CHYROMYIDAE (Golden Flies)
- Gymnochiromyia
- Gymnochiromyia nigrimana
- Gymnochiromyia nigrimana
- Gymnochiromyia nigrimana
- Gymnochiromyia nigrimana
- Gymnochiromyia nigrimana
FAMILY CONOPIDAE (Thick-headed Flies) Browse here
- Physocephala texana
- Physoconops gracilis
- Physoconops gracilis
- Thecophora
- Zodion
- Zodion
FAMILY DOLICHOPODIDAE (Longlegged Flies) Browse here
- Bickelomyia
- Condylostylus
- Condylostylus (caudatus group)
- Condylostylus longicornis
- Dolichopus
- Pelastoneurus
FAMILY DROSOPHILIDAE (Vinegar Flies) Browse here
- Drosophila busckii
- Drosophila immigrans
- Drosophila melanogaster
- Scaptomyza adusta
- Scaptomyza pallida
- Zaprionus indianus
FAMILY EMPIDIDAE (Dance Flies) Browse here
- Empis
- Hilara
- Hilara
- Rhamphomyia
- Rhamphomyia
- Rhamphomyia
FAMILY EPHYDRIDAE (Shore Flies) Browse here
- Brachydeutera
- Clanoneurum americanum
- Paralimna
- Scatella marinensis
- Scatophila
- Subfamily Ephydrinae
FAMILY FANNIIDAE Browse here
- Fanniidae
- Fanniidae
- Fannia
- Fannia
- Fannia
- Fannia canicularis
FAMILY HELEOMYZIDAE (Sun Flies & Heleomyzid Flies) Browse here
- Tribe Heleomyzini
- Eccoptomera
- Pseudoleria
- Suillia barberi
- Trixoscelis polita
- Trixoscelis polita
FAMILY HIPPOBOSCIDAE (Louse Flies)
- Pseudolynchia canariensis
- Pseudolynchia canariensis
- Pseudolynchia canariensis
FAMILY HYBOTIDAE (Hybotid Dance Flies)
- Subfamily Tachydromiinae
- Platypalpus
- Syneches
- Syneches
- Syneches
- Syneches
FAMILY LAUXANIIDAE Browse here
- Camptoprosopella
- Camptoprosopella dolorosa
- Camptoprosopella maculipennis
- Minettia flaveola
- Poecilominettia
- Trypetisoma eutretoides
FAMILY LIMONIIDAE (Limoniid Crane Flies) Browse here
- Cryptolabis
- Dactylolabis vestigipennis
- Erioptera distincta
- Eugnophomyia
- Gonomyia
- Teucholabis rubescens
FAMILY LONCHAEIDAE (Lance Flies) Browse here
- Lonchaeidae
- Lonchaeidae
- Lonchaeidae
- Lonchaea
- Lonchaea
- Lonchaea
FAMILY MICROPEZIDAE (Stilt-legged Flies) Browse here
- Micropeza
- Micropeza abnormis
- Micropeza abnormis
- Micropeza bisetosa
- Micropeza ruficeps
- Micropeza ruficeps
FAMILY MILICHIIDAE (Freeloader Flies) Browse here
- Milichiidae
- Desmometopa
- Desmometopa
- Desmometopa
- Milichiella
- Milichiella
FAMILY MUSCIDAE (House Flies & kin) Browse here
- Atherigona reversura
- Lispe tentaculata
- Musca domestica
- Musca domestica
- Stomoxys calcitrans
- Stomoxys calcitrans
FAMILY MYCETOPHILIDAE (Fungus Gnats) Browse here
- Subfamily Mycetophilinae
- Tribe Mycetophilini
- Tribe Mycetophilini
- Tribe Mycetophilini
- Tribe Mycetophilini
- Mycetophilidae
FAMILY MYDIDAE (Mydas Flies) Browse here
- Mydas davidsoni
- Mydas davidsoni
- Mydas davidsoni
- Mydas xanthopterus
- Mydas xanthopterus
- Opomydas townsendi
FAMILY MYTHICOMYIIDAE (Micro Bee Flies) Browse here
- Mythicomyiidae
- Mythicomyia
- Mythicomyia
- Mythicomyia
- Mythicomyia
- Mythicomyia
FAMILY NERIIDAE (Cactus Flies) Browse here
- Odontoloxozus longicornis
- Odontoloxozus longicornis
- Odontoloxozus longicornis
- Odontoloxozus longicornis
- Odontoloxozus longicornis
- Odontoloxozus longicornis
FAMILY ODINIIDAE
- Neoalticomerus seamansi
- Neoalticomerus seamansi
FAMILY OESTRIDAE (Bot Flies)
- Cuterebra
FAMILY OPOMYZIDAE
- Geomyza
- Geomyza
- Geomyza
FAMILY PHORIDAE (Scuttle Flies) Browse here
- Phoridae
- Phoridae
- Phoridae
- Phoridae
- Phoridae
- Phoridae
FAMILY PIOPHILIDAE (Cheese Skippers and kin)
- Piophila casei
- Piophila casei
- Piophila casei
- Piophila casei
- Piophila casei
- Piophila casei
FAMILY PIPUNCULIDAE (Big-headed Flies) Browse here
- Pipunculidae
- Pipunculidae
- Pipunculidae
- Pipunculidae
- Pipunculidae
- Pipunculidae
FAMILY PLATYPEZIDAE (Flat-footed Flies)
- Platypezidae
- Platypezidae
- Platypezidae
- Platypezidae
- Platypezidae
- Platypezidae
FAMILY PLATYSTOMATIDAE (Signal Flies) Browse here
- Rivellia occulta
- Rivellia tersa
- Rivellia wulpiana
- Rivellia wulpiana
- Senopterina
- Senopterina
FAMILY POLLENIIDAE
- Pollenia
- Pollenia
- Pollenia
- Pollenia
FAMILY PSYCHODIDAE (Moth Flies & Sand Flies) Browse here
- Clogmia albipunctata
- Clogmia albipunctata
- Clogmia albipunctata
- Clogmia albipunctata
- Psychoda
- Psychoda
FAMILY PYRGOTIDAE Browse here
- Boreothrinax
- Boreothrinax
- Boreothrinax
- Sphecomyiella
- Sphecomyiella
- Sphecomyiella
FAMILY RHAGIONIDAE (Snipe Flies) Browse here
- Chrysopilus
- Chrysopilus
- Chrysopilus
- Chrysopilus xanthopus
- Chrysopilus xanthopus
- Chrysopilus xanthopus
FAMILY RICHARDIIDAE
- Richardiidae
- Richardiidae
- Richardiidae
- Sepsisoma
- Sepsisoma
- Sepsisoma
FAMILY SARCOPHAGIDAE (Flesh Flies) Browse here
- Eumacronychia
- Metopia argyrocephala
- Senotainia
- Subfamily Miltogramminae
- Subfamily Sarcophaginae
- Taxigramma
FAMILY SCATHOPHAGIDAE (Dung Flies)
- Scathophaga stercoraria
- Scathophaga stercoraria
- Scathophaga stercoraria
- Scathophaga stercoraria
- Scathophaga stercoraria
- Coboldia fuscipes
- Coboldia fuscipes
- Coboldia fuscipes
- Coboldia fuscipes
- Coboldia fuscipes
- Coboldia fuscipes
FAMILY SCENOPINIDAE (Window Flies) Browse here
- Metatrichia bulbosa
- Metatrichia bulbosa
- Prorates
- Prorates
- Scenopinus
- Scenopinus
FAMILY SCIARIDAE (Dark-winged Fungus Gnats) Browse here
- Sciaridae
- Sciaridae
- Sciaridae
- Sciaridae
- Sciaridae
- Sciaridae
FAMILY SCIOMYZIDAE (Marsh Flies) Browse here
- Dictya
- Dictya
- Tribe Tetanocerini
- Tribe Tetanocerini
- Tribe Tetanocerini
- Tribe Tetanocerini
FAMILY SEPSIDAE (Black Scavenger Flies) Browse here
- Sepsis
- Sepsis
- Sepsis
- Sepsis
- Sepsis neocynipsea
- Sepsis neocynipsea
FAMILY SIMULIIDAE (Black Flies) Browse here
- Simulium
- Simulium
- Simulium donovani
- Simulium donovani
- Simulium longithallum
- Simulium longithallum
FAMILY SPHAEROCERIDAE (Lesser Dung Flies) Browse here
- Parasphaerocera
- Parasphaerocera
- Rachispoda
- Rachispoda
- Subfamily Limosininae
- Subfamily Limosininae
FAMILY STRATIOMYIDAE (Soldier flies) Browse here
- Dieuryneura stigma
- Eidalimus henshawi
- Hedriodiscus truquii
- Hermetia concinna
- Hermetia illucens
- Hermetia subpellucida
FAMILY SYRPHIDAE (Syrphid Flies) Browse here
- Allograpta obliqua
- Copestylum mexicanum
- Dioprosopa clavata
- Eristalinus aeneus
- Eupeodes volucris
- Syritta pipiens
FAMILY TABANIDAE (Horse & Deer Flies) Browse here
- Chrysops virgulatus
- Tabanus dorsifer
- Tabanus erythraeus
- Tabanus eurycerus
- Tabanus punctifer
- Tabanus subsimilis
FAMILY TACHINIDAE Browse here
- Macromya crocata
- Megaprosopus regalis
- Microphthalma disjuncta
- Oestrophasia calva
- Ormia
- Uramya indita
FAMILY TEPHRITIDAE (Fruit Flies) Browse here
- Aciurina mexicana
- Euaresta stigmatica
- Euarestoides acutangulus
- Paracantha culta
- Procecidochares
- Zonosemata vittigera
FAMILY THEREVIDAE (Stiletto Flies) Browse here
- Subfamily Therevinae
- Lysilinga
- Ozodiceromyia
- Ozodiceromyia
- Ozodiceromyia nigrimana
- Thereva
FAMILY TIPULIDAE (Large Crane Flies) Browse here
- Nephrotoma
- Nephrotoma
- Nephrotoma
- Tipula subgenus Lunatipula
- Tipula subgenus Lunatipula
- Tipula subgenus Lunatipula
FAMILY ULIDIIDAE (Picture-winged Flies) Browse here
- Acrosticta
- Diacrita costalis
- Dyscrasis hendeli
- Euxesta
- Physiphora alceae
- Pseudotephritina