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)
Apopria coveri
Apopria coveri
Aporinellus basalis
Aporinellus basalis
Aporinellus completus
Aporinellus completus
Aporinellus fasciatus
Aporinellus fasciatus
Aporinellus medianus
Aporinellus medianus
Aporinellus wheeleri
Aporinellus wheeleri
Aporinellus yucatanensis
Aporinellus yucatanensis
Aporus concolor
Aporus concolor
Aporus hirsutus
Aporus hirsutus
Aporus niger
Aporus niger
Aprosthema brunniventre
Aprosthema brunniventre
Aprostocetus fidius
Aprostocetus fidius
Aprostocetus hagenowii
Aprostocetus hagenowii
Aprostocetus smilax
Aprostocetus smilax
Arachnophaga ferruginea
Arachnophaga ferruginea
Arachnospila fumipennis
Arachnospila fumipennis
Arachnospila scelestus
Arachnospila scelestus
Arenetra nigrita
Arenetra nigrita
Arenetra rufipes
Arenetra rufipes
Arge cerulea
Arge cerulea
Arge coccinea
Arge coccinea
Arge curvaria
Arge curvaria
Arge cyra
Arge cyra
Arge illuminata
Arge illuminata
Arge macleayi
Arge macleayi
Arge spiculata
Arge spiculata
Arge tumsua
Arge tumsua
Arge willi
Arge willi
Argochrysis armilla
Argochrysis armilla
Argochrysis inornata
Argochrysis inornata
Argochrysis litura
Argochrysis litura
Argogorytes nigrifrons
Argogorytes nigrifrons
Arizona Feather-tongue
Ptiloglossa arizonensis
Arizona Paper Wasp
Polistes arizonensis
Arizona Turtle Ant
Cephalotes rohweri
Armed Miner Bee
Andrena perarmata
Armyworm Mummy Wasp
Aleiodes laphygmae
Arotes amoenus
Arotes amoenus
Arotes decorus
Arotes decorus
Arotes maurus
Arotes maurus
Arundo wasp
Tetramesa romana
Ashmead's Digger Wasp
Sphex ashmeadi
Ashmeadiella bigeloviae
Ashmeadiella bigeloviae
Ashmeadiella bucconis
Ashmeadiella bucconis
Ashmeadiella eurynorhyncha
Ashmeadiella eurynorhyncha
Ashmeadiella meliloti
Ashmeadiella meliloti
Ashmeadiella rubrella
Ashmeadiella rubrella
Ashmeadiella xenomastax
Ashmeadiella xenomastax
Asian Citrus Psyllid Parasitoid
Tamarixia radiata
Asian Giant Hornet
Vespa mandarinia
Asian Honey Bee
Apis cerana
Asian Horntail
Eriotremex formosanus
Asian Needle Ant
Brachyponera chinensis
Asian Red-tailed Spider Wasp
Tachypompilus analis
Astata occidentalis
Astata occidentalis
Astata unicolor
Astata unicolor
Aster Cellophane Bee
Colletes compactus
Aster Miner Bee
Andrena asteris
Asthenolabus canadensis
Asthenolabus canadensis
Asthenolabus scutellatus
Asthenolabus scutellatus
Astiphromma splenium
Astiphromma splenium
Atanycolus longicauda
Atanycolus longicauda
Athalia cornubiae
Athalia cornubiae
Atomacera debilis
Atomacera debilis
Atrusca aggregata
Atrusca aggregata
Atrusca carolina 0
Atrusca carolina
Atrusca unica
Atrusca unica
Augochlora Sweat Bee
Augochlora pura
Augochlora aurifera
Augochlora aurifera
Augochlorella neglectula
Augochlorella neglectula
Augochlorella nigrocyanea 0
Augochlorella nigrocyanea
Augochlorella pomoniella
Augochlorella pomoniella
Augochloropsis anonyma
Augochloropsis anonyma
Augochloropsis sumptuosa
Augochloropsis sumptuosa
Aulacidea harringtoni
Aulacidea harringtoni
Aulacus brevicaudus
Aulacus brevicaudus
Aulacus dispilis
Aulacus dispilis
Aulogymnus bouceki
Aulogymnus bouceki
Aulogymnus smithi
Aulogymnus smithi
Auplopus adjunctus
Auplopus adjunctus
Auplopus architectus
Auplopus architectus
Auplopus caerulescens
Auplopus caerulescens
Auplopus mollis
Auplopus mollis
Auplopus nigrellus
Auplopus nigrellus
Axima zabriskiei
Axima zabriskiei
Azalea Argid Sawfly
Arge similis
Aztec Sweat Bee
Augochlora azteca
Baeoneurella bicolor
Baeoneurella bicolor
Bald-faced Hornet
Dolichovespula maculata
(c) Ken Clark, some rights reserved (CC BY)
Ball-tipped Gall Wasp
Trigonaspis teres
Ball-tipped Gall Wasp
Xanthoteras teres
Banacuniculus utilis
Banacuniculus utilis
Banchus inermis
Banchus inermis
Banchus pallescens
Banchus pallescens
Banchus polychromus
Banchus polychromus
Banks' Miner Bee
Andrena banksi
Barbara's Mountain-Cuckoo
Oreopasites barbarae
Barichneumon fuscosignatus
Barichneumon fuscosignatus
Barichneumon peramoenus
Barichneumon peramoenus
Barichneumon sorex
Barichneumon sorex