Flies
Order Diptera
The Flies (Order Diptera) includes 6,350 species across 141 families and 1,800 genera in our directory.
About Flies
Diptera includes over 150,000 described species of flies, mosquitoes, and midges. Mosquitoes are the deadliest animal on Earth (CDC). Malaria alone causes ~249 million cases and over 608,000 deaths annually, mostly children under 5 (WHO). Vector-borne diseases account for over 17% of all infectious diseases, causing 700,000+ deaths per year.
Economic Impact
In the U.S., vector-borne disease cases tripled between 2004-2016, with over 640,000 cases reported in that period (CDC). Tickborne diseases doubled from 22,000 to 48,000 annual reports. Globally, mosquito-borne diseases cost billions in healthcare and lost productivity.
Ecological Role
Despite their disease impact, flies are critical decomposers and pollinators. Hoverflies alone pollinate hundreds of crop and wildflower species. Flies are also the primary food source for many birds, bats, and fish. Forensic entomology relies heavily on fly species for crime scene analysis.
Families in Diptera (141)
Species in Diptera (6,350)
Rhaphiomidas aitkeni
Rhaphiomidas aitkeni
Rhaphiomidas hasbroucki
Rhaphiomidas hasbroucki
Rhaphiomidas nigricaudis
Rhaphiomidas nigricaudis
Rhaphium calcaratum
Rhaphium calcaratum
Rhaphium crassipes
Rhaphium crassipes
Rhaphium lugubre
Rhaphium lugubre
Rhaphium vanduzeei
Rhaphium vanduzeei
Rhegmoclema boreale
Rhegmoclema boreale
Rhegmoclema edwardsi
Rhegmoclema edwardsi
Rhegmoclema halteratum
Rhegmoclema halteratum
Rhegmoclema hubachecki
Rhegmoclema hubachecki
Rhegmoclemina bimaculata
Rhegmoclemina bimaculata
Rhegmoclemina parva
Rhegmoclemina parva
Rhegmoclemina vaginata
Rhegmoclemina vaginata
Rhexoza cryptica
Rhexoza cryptica
Rhinoleucophenga americana
Rhinoleucophenga americana
Rhipida bryanti
Rhipidia bryanti
Rhipidia shannoni
Rhipidia shannoni
Rhopalomyia capitata
Rhopalomyia capitata
Rhopalomyia clarkei
Rhopalomyia clarkei
Rhopalomyia ericameriae
Rhopalomyia ericameriae
Rhopalomyia erigerontis
Rhopalomyia erigerontis
Rhopalomyia floccosa
Rhopalomyia floccosa
Rhopalomyia glutinosa
Rhopalomyia glutinosa
Rhopalomyia hirtipomum
Rhopalomyia hirtipomum
Rhopalomyia lobata
Rhopalomyia lobata
Rhopalomyia obovata
Rhopalomyia obovata
Rhopalomyia sulcata
Rhopalomyia sulcata
Rhopalopterum soror
Rhopalopterum soror
Rhopalosyrphus guentherii
Rhopalosyrphus guentherii
Rhynchanthrax parvicornis
Rhynchanthrax parvicornis
Rhyncophoromyia conica
Rhyncophoromyia conica
Rhynencina longirostris
Rhynencina longirostris
Rhysophora robusta
Rhysophora robusta
Rhytidops floridensis
Rhytidops floridensis
Ring-tailed Tiger Fly
Ceraturgus cruciatus
Rivellia cognata
Rivellia cognata
Rivellia colei
Rivellia colei
Rivellia conjuncta
Rivellia conjuncta
Rivellia flavimana
Rivellia flavimana
Rivellia floridana
Rivellia floridana
Rivellia inaequata
Rivellia inaequata
Rivellia maculipennis
Rivellia maculipennis
Rivellia micans
Rivellia micans
Rivellia munda
Rivellia munda
Rivellia occulta
Rivellia occulta
Rivellia severini
Rivellia severini
Rivellia steyskali
Rivellia steyskali
Rivellia tersa
Rivellia tersa
Rivellia texana
Rivellia texana
Rivellia variabilis
Rivellia variabilis
Rivellia winifredae
Rivellia winifredae
Rivellia wulpiana
Rivellia wulpiana
Robber Fly -Atomosia sp.
Atomosia puella
Robber Fly -E. aestuans
Efferia aestuans
(c) Sarah Culliton, some rights reserved (CC BY)
Robber Fly -L. astur
Laphria astur
Robber Fly -L. fernaldi
Laphria fernaldi
Robber Fly -L. grossa
Laphria grossa
Robber Fly -L. saffrana
Laphria saffrana
Robber Fly -L. sericea
Laphria sericea
Robber Fly -P. hinei
Promachus hinei
Rondaniella dimidiata
Rondaniella dimidiata
Root-Maggot Fly -A. illocata
Anthomyia illocata
Root-Maggot Fly -A. oculifera
Anthomyia oculifera
Rose Hip Fly
Rhagoletis basiola
Sabino Twigsitter
Heteropogon davisi
Sacken Longhorn Robber
Eudioctria sackeni
Sagebrush Bandit
Cyrtopogon willistoni
San Bernardino Bandit
Hodophylax basingeri
San Gabriel Sandpirate
Lasiopogon gabrieli
San Nicolas Bandit
Cophura hennei
Sand-dune Bandit
Cophura getzendaneri
Sapromyza brachysoma
Sapromyza brachysoma
Sarcophaga cadyi
Sarcophaga cadyi
Sarcophaga johnsoni
Sarcophaga johnsoni
Sargus cuprarius
Sargus cuprarius
Sargus decorus
Sargus decorus
Sargus elegans
Sargus elegans
Sargus viridis
Sargus viridis
Saropogon abbreviatus
Saropogon abbreviatus
Saropogon albifrons
Saropogon albifrons
Saropogon bryanti
Saropogon bryanti
Saropogon combustus
Saropogon combustus
Saropogon coquilletti
Saropogon coquilletti
Saropogon dispar
Saropogon dispar
Saropogon hypomelas
Saropogon hypomelas
Saropogon luteus
Saropogon luteus
Saropogon mohawki
Saropogon mohawki
Saropogon nitidus
Saropogon nitidus
Saropogon pritchardi
Saropogon pritchardi
Saropogon purus
Saropogon purus
Saropogon pyrodes
Saropogon pyrodes
Saropogon semiustus
Saropogon semiustus
Saropogon senex
Saropogon senex
Scaptomyza graminum
Scaptomyza graminum
Scaptomyza montana
Scaptomyza montana
Scaptomyza terminalis
Scaptomyza terminalis
Scaptomyza wheeleri
Scaptomyza wheeleri
Scatella arizonensis
Scatella arizonensis
Scatella laxa
Scatella laxa