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)
Townsendiella rufiventris
Townsendiella rufiventris
Toxoneuron nigriceps
Toxoneuron nigriceps
Trachusa dorsalis
Trachusa dorsalis
Trachusa fontemvitae
Trachusa fontemvitae
Trachusa larreae
Trachusa larreae
Trachusa manni
Trachusa manni
Trachusa perdita
Trachusa perdita
Trachusa zebrata
Trachusa zebrata
Trachymyrmex arizonensis
Trachymyrmex arizonensis
Trachymyrmex nogalensis
Trachymyrmex nogalensis
Trachymyrmex smithi
Trachymyrmex smithi
Trachypus mexicanus
Trachypus mexicanus
Tramp Ant
Tetramorium bicarinatum
Trathala rostrata
Trathala rostrata
Trichacis virginiensis
Trichacis virginiensis
Trichiosoma lanuginosum
Trichiosoma lanuginosum
Trichiosoma triangulum
Trichiosoma triangulum
Trichomma maceratum
Trichomma maceratum
Trichosteresis glabra
Trichosteresis glabra
Triclistus emarginalus
Triclistus emarginalus
Triclistus pallipes
Triclistus pallipes
Triclistus podagricus
Triclistus podagricus
Tricolored Bumble Bee
Bombus ternarius
Trieces integer
Trieces integer
Triepeolus brittaini
Triepeolus brittaini
Triepeolus concavus
Triepeolus concavus
Triepeolus denverensis
Triepeolus denverensis
Triepeolus distinctus
Triepeolus distinctus
Triepeolus donatus
Triepeolus donatus
Triepeolus grindeliae
Triepeolus grindeliae
Triepeolus intrepidus
Triepeolus intrepidus
Triepeolus loomisorum
Triepeolus loomisorum
Triepeolus martini
Triepeolus martini
Triepeolus matildae
Triepeolus matildae
Triepeolus mexicanus
Triepeolus mexicanus
Triepeolus micropygius
Triepeolus micropygius
Triepeolus quadrifasciatus
Triepeolus quadrifasciatus
Triepeolus rufithorax
Triepeolus rufithorax
Triepeolus sarothrinus
Triepeolus sarothrinus
Triepeolus utahensis
Triepeolus utahensis
Triepeolus verbesinae
Triepeolus verbesinae
Trigonaspis fumosa
Trigonaspis fumosa
Triopasites penniger
Triopasites penniger
Triraphis harrisinae
Triraphis harrisinae
Trissolcus edessae
Trissolcus edessae
Trogus fulvipes
Trogus fulvipes
Trogus lapidator
Trogus lapidator
Tromatobia notator
Tromatobia notator
Tromatobia rufopectus
Tromatobia rufopectus
Tromatobia zonata
Tromatobia zonata
Trophophion tenuiceps
Trophophion tenuiceps
Trychosis similis
Trychosis similis
Trychosis sulcata
Trychosis sulcata
Tryphon seminiger
Tryphon seminiger
Trypoxylon californicum
Trypoxylon californicum
Trypoxylon carinatum
Trypoxylon carinatum
Trypoxylon clavatum
Trypoxylon clavatum
Trypoxylon collinum
Trypoxylon collinum
Trypoxylon frigidum
Trypoxylon frigidum
Trypoxylon pennsylvanicum
Trypoxylon pennsylvanicum
Trypoxylon punctivertex
Trypoxylon punctivertex
Trypoxylon spinosum
Trypoxylon spinosum
Turnip Sawfly
Athalia rosae
Two-horned Gall Wasp
Dryocosmus dubiosus
Two-spotted Longhorn Bee
Melissodes bimaculatus
Tycherus ater
Tycherus ater
Tyde's Sand Wasp
Podalonia tydei
Typhoctes striolatus
Typhoctes striolatus
Typhoctes williamsi
Typhoctes williamsi
Unequal Cellophane Bee
Colletes inaequalis
Unstable Paper Wasp
Polistes instabilis
Urbane Digger Bee
Anthophora urbana
Urn Gall Wasp
Phylloteras cupella
Urocerus taxodii
Urocerus taxodii
Uropelma formosum
Uropelma formosum
Vancouver Bumble Bee
Bombus vancouverensis
Vanhornia eucnemidarum
Vanhornia eucnemidarum
Variegated Masked Bee
Hylaeus variegatus
Velvet Ant
Dasymutilla arenivaga
Velvety Tree Ant
Liometopum occidentale
Venturia canescens
Venturia canescens
Veromessor lariversi
Veromessor lariversi
Veromessor pergandei
Veromessor pergandei
Vertical Masked Bee
Hylaeus verticalis
Violet Carpenter Bee
Xylocopa violacea
Violet Sawfly
Ametastegia pallipes
Virgichneumon subcyaneus
Virgichneumon subcyaneus
Virgichneumon zebratus
Virgichneumon zebratus
Vulgichneumon suavis
Vulgichneumon suavis
Waldheimia carbonaria
Waldheimia carbonaria
Waldheimia vitis
Waldheimia vitis
Walkerella microcarpae
Walkerella microcarpae
Western Black Carpenter Ant
Camponotus modoc
Western Carpenter Bee
Xylocopa californica
Western Cicada Killer
Sphecius grandis
Western Collared Ant
Aphaenogaster occidentalis
Western Harvester Ant
Pogonomyrmex occidentalis
Western Leafcutter Bee
Megachile perihirta
Western Red-tailed Spider Wasp
Tachypompilus unicolor
Western Sycamore Sawfly
Bidigitus platani