Flies
Order Hymenoptera
The Flies (Order Hymenoptera) includes 5,194 species across 102 families and 1,491 genera in our directory.
About Flies
Hymenoptera includes over 150,000 described species of ants, bees, wasps, and sawflies. Earth harbors approximately 20 quadrillion (20×10^15) ants, with a combined biomass of ~12 megatons of dry carbon - exceeding the combined biomass of all wild birds and mammals (PNAS, 2022).
Economic Impact
Pollinators contribute $235-577 billion worth of annual global food production (FAO). In the U.S., bee pollination alone benefits crops valued at $18 billion annually, and honey bees are responsible for $5.4 billion in agricultural productivity. Between April 2023-2024, 55.1% of managed honey bee colonies were lost. The U.S. bee population dropped from 5 million to 2.5 million.
Ecological Role
About 35% of the world's food crops depend on animal pollinators. The chocolate industry, valued at over $100 billion, depends on pollinating flies and midges. Ants are the dominant soil engineers in most terrestrial ecosystems, turning more soil than earthworms in many habitats.
Families in Hymenoptera (102)
Species in Hymenoptera (5,194)
Macrophya alba
Macrophya alba
Macrophya amediata
Macrophya amediata
Macrophya bifasciata
Macrophya bifasciata
Macrophya cassandra
Macrophya cassandra
Macrophya flavicoxae
Macrophya flavicoxae
Macrophya flavolineata
Macrophya flavolineata
Macrophya flicta
Macrophya flicta
Macrophya fuliginea
Macrophya fuliginea
Macrophya macgillivrayi
Macrophya macgillivrayi
Macrophya nigristigma
Macrophya nigristigma
Macrophya oregona
Macrophya oregona
Macrophya pannosa
Macrophya pannosa
Macrophya phylacida
Macrophya phylacida
Macrophya pulchella
Macrophya pulchella
Macrophya senacca
Macrophya senacca
Macrophya simillima
Macrophya simillima
Macrophya tibiator
Macrophya tibiator
Macrophya trisyllaba
Macrophya trisyllaba
Macrophya zoe
Macrophya zoe
Macrorileya oecanthi
Macrorileya oecanthi
Macroteleia carinata
Macroteleia carinata
Macrotera arcuata
Macrotera arcuata
Macrotera haplura
Macrotera haplura
Macrotera latior
Macrotera latior
Macrotera magniceps
Macrotera magniceps
Macrotera mellea
Macrotera mellea
Macrotera mortuaria
Macrotera mortuaria
Macrotera texana
Macrotera texana
Macroxyela ferruginea
Macroxyela ferruginea
Manica hunteri
Manica hunteri
Manica invidia
Manica invidia
Margined Turret Bee
Melitoma marginella
Maricopodynerus maricoporum
Maricopodynerus maricoporum
Marietta timberlakei
Marietta timberlakei
Martinapis luteicornis
Martinapis luteicornis
Martinapis occidentalis
Martinapis occidentalis
Mastrus smithii
Mastrus smithii
McKay's Bumble Bee
Bombus mckayi
Meadowsweet Stem-sawfly
Phylloecus xanthostoma
Mealy Oak Gall Wasp
Disholcaspis cinerosa
Mediterranean Acrobat Ant
Crematogaster scutellaris
Megachile addenda
Megachile addenda
Megachile albitarsis
Megachile albitarsis
Megachile apicalis
Megachile apicalis
Megachile brevis
Megachile brevis
Megachile chilopsidis
Megachile chilopsidis
Megachile comata
Megachile comata
Megachile davidsoni
Megachile davidsoni
Megachile discorhina
Megachile discorhina
Megachile exilis
Megachile exilis
Megachile fidelis
Megachile fidelis
Megachile fortis
Megachile fortis
Megachile frugalis
Megachile frugalis
Megachile gemula
Megachile gemula
Megachile gentilis
Megachile gentilis
Megachile inermis
Megachile inermis
Megachile inimica
Megachile inimica
Megachile lippiae
Megachile lippiae
Megachile melanophaea
Megachile melanophaea
Megachile mellitarsis
Megachile mellitarsis
Megachile mucida
Megachile mucida
Megachile newberryae
Megachile newberryae
Megachile nivalis
Megachile nivalis
Megachile odontostoma
Megachile odontostoma
Megachile onobrychidis
Megachile onobrychidis
Megachile petulans
Megachile petulans
Megachile policaris
Megachile policaris
Megachile prosopidis
Megachile prosopidis
Megachile pruina
Megachile pruina
Megachile pseudobrevis
Megachile pseudobrevis
Megachile relativa
Megachile relativa
Megachile rugifrons
Megachile rugifrons
Megachile sidalceae
Megachile sidalceae
Megachile subexilis
Megachile subexilis
Megachile zapoteca
Megachile zapoteca
Megachile zaptlana
Megachile zaptlana
Megandrena enceliae
Megandrena enceliae
Megaplectes monticola
Megaplectes monticola
Megaxyela major
Megaxyela major
Megaxyela tricolor
Megaxyela tricolor
Megischus arizonicus
Megischus arizonicus
Melanichneumon honestus
Melanichneumon honestus
Melanichneumon indecoroatus
Melanichneumon indecoroatus
Melanichneumon leviculops
Melanichneumon leviculops
Melanichneumon townesi
Melanichneumon townesi
Melecta edwardsii
Melecta edwardsii
Melecta separata
Melecta separata
Melikaiella flora
Melikaiella flora
Melikaiella ostensackeni
Melikaiella ostensackeni
Melissodes coreopsis
Melissodes coreopsis
Melissodes denticulatus
Melissodes denticulatus
Melissodes dentiventris
Melissodes dentiventris
Melissodes desponsus
Melissodes desponsus
Melissodes illatus
Melissodes illatus
Melissodes pallidisignatus
Melissodes pallidisignatus
Melissodes robustior
Melissodes robustior
Melissodes stearnsi
Melissodes stearnsi
Melissodes subillatus
Melissodes subillatus
Melissodes tepidus
Melissodes tepidus
Melissodes tristis
Melissodes tristis