Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Anthophila (Apoidea) - Bees

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Hymenoptera - Ants, Bees, Wasps and Sawflies
No Taxon Aculeata - Ants, Bees and Stinging Wasps
No Taxon Anthophila (Apoidea) - Bees

Family Andrenidae - Mining Bees
Subfamily Andreninae - Mining Bees
Genus Ancylandrena
Species atoposoma - Ancylandrena atoposoma
Species larreae - Creosote Bush Ancylandrena
Species rozeni - Ancylandrena rozeni
Genus Andrena
No Taxon Subgenus Andrena
Species clarkella - Clark's Andrena
Species cornelli - Azalea Miner
Species frigida - Frigid Miner
Species milwaukeensis - Milwaukee Andrena
Species perarmata - Well-armed Andrena
No Taxon resembles Andrena mandibularis
Species rufosignata - Andrena rufosignata
No Taxon Subgenus Archiandrena
Species banksi - Banks' Andrena
No Taxon Subgenus Belandrena
Species palpalis - Andrena palpalis
Species sphaeralceae - Globemallow Andrena
No Taxon Subgenus Callandrena
Species accepta - Andrena accepta
Species brooksi - Brooks' Andrena
No Taxon Subgenus Callandrena sensu lato
Species asteris - Aster Miner
Species biscutellata - Andrena biscutellata
Species haynesi - Haynes' Andrena
Species helianthi - Sunflower Andrena
Species krigiana - Dwarf-dandelion Andrena
Species melliventris - Honey-bellied Andrena
No Taxon placata or simplex
Species rudbeckiae - Coneflower Miner
Species aliciae - Andrena aliciae
Species fulvipennis - Andrena fulvipennis
No Taxon Subgenus Cnemidandrena
Species canadensis - Canada Andrena
Species hirticincta - Hairy-banded Andrena
Species mentzeliae - Blazing-star Andrena
Species nubecula - Andrena nubecula
Species apacheorum - Apache Andrena
No Taxon Subgenus Conandrena
Species bradleyi - Bradley's Andrena
No Taxon Subgenus Dactylandrena
No Taxon Subgenus Diandrena, Two-celled Andrena
Species malacothricidis - Desert-dandelion Andrena
Species anatolis - Andrena anatolis
Species olivacea - Olivaceous Andrena
Species submoesta - Andrena submoesta
No Taxon Subgenus Erandrena
Species principalis - Andrena principalis
No Taxon Subgenus Euandrena
Species auricoma - Andrena auricoma
Species geranii - Geranium Andrena
Species nigrocaerulea - Blue-and-black Andrena
Species astragali - Death Camas Andrena
No Taxon Subgenus Gonandrena, Dogwood Andrena
Species fragilis - Fragile Dogwood Andrena
Species integra - Short-haired Dogwood Andrena
No Taxon Subgenus Hesperandrena, Vernal Pool Andrena
Species lativentris - Andrena lativentris
Species pulverea - Andrena pulverea
No Taxon Subgenus Holandrena
Species cressonii - Cresson's Andrena
Subspecies kansensis - Andrena cressonii kansensis
Subspecies cressonii - Andrena cressonii cressonii
No Taxon Subgenus Larandrena
Species miserabilis - Miserable Andrena
No Taxon Subgenus Leucandrena
Species erythronii - Trout-lily Andrena
Species barbilabris - Long-lipped Andrena
No Taxon Subgenus Melandrena
Species barbara - Barbara's Miner
Species carlini - Carlin's Miner
Species cerasifolii - Cherry Plum Miner
Species confederata - Southern Miner
Species crinita - Southwestern Hairy Miner
Species dunningi - Dunning's Miner
Species impolita - Unpolished Miner
Species nivalis - Snowy Miner
Species obscuripennis - Dark-winged Miner
Species pertristis - Mournful Miner
Subspecies carliniformis - Andrena pertristis carliniformis
Subspecies pertristis - Black Mournful Miner
Species pruni - Cherry Miner
Species regularis - Regular Miner
Species sola - Lonely Miner
Species transnigra - Black-banded Miner
Species vicina - Neighborly Miner
No Taxon carlini or regularis
No Taxon dunningi or pruni
No Taxon impolita or cerasifolii
No Taxon resembles commoda
No Taxon Subgenus Micrandrena
Species piperi - Andrena piperi
Species ziziae - Golden-Alexanders Andrena
No Taxon Subgenus Plastandrena
Species argemonis - Prickly-poppy Andrena
Species crataegi - Hawthorn Andrena
Species prunorum - Andrena prunorum
No Taxon Andrena fracta or prunorum
No Taxon Subgenus Ptilandrena
Species erigeniae - Spring Beauty Andrena
No Taxon Subgenus Rhacandrena
Species brevipalpis - Andrena brevipalpis
No Taxon Subgenus Rhaphandrena
Species prima - Andrena prima
No Taxon Subgenus Scrapteropsis
Species imitatrix - Andrena imitatrix
Species alleghaniensis - Alleghany Andrena
No Taxon Subgenus Simandrena
Species pallidifovea - Pale-fovea Andrena
Species nasonii - Nason's Andrena
No Taxon Subgenus Taeniandrena
Species wilkella - Andrena wilkella
No Taxon Subgenus Thysandrena
Species bisalicis - Andrena bisalicis
Species livida - Andrena livida
No Taxon Subgenus Trachandrena
Species cleodora - Andrena cleodora
Subspecies melanodora - Andrena cleodora melanodora
Species fuscicauda - Dark-tailed Andrena
Species hippotes - Andrena hippotes
Species nuda - Nude Andrena
Species rugosa - Rugose Andrena
Species sigmundi - Sigmund's Andrena
Species virginiana - Virginia Andrena
No Taxon cleodora cleodora or cupreotincta
No Taxon resembles miranda
Species forbesii - Forbes' Andrena
No Taxon Subgenus Tylandrena
Species erythrogaster - Red-tailed Andrena
Species jessicae - Jessica's Andrena
Species scotoptera - Andrena scotoptera
No Taxon resembles perplexa
No Taxon Subgenus Melandrena or Tylandrena
No Taxon Subgenus Onagrandrena, Evening Primrose Andrena
No Taxon Subgenus Oligandrena
Species nigripes - Big-headed Andrena
No Taxon Subgenus Uncertain
Species levipes - Andrena levipes
Genus Megandrena
Species enceliae - Encelia Megandrena
Subfamily Oxaeinae
Genus Protoxaea
Species gloriosa - Glorious Protoxaea
Subfamily Panurginae
Tribe Calliopsini
Genus Calliopsis
No Taxon Subgenus Calliopsima
Species pugionis - Calliopsis pugionis
No Taxon Subgenus Calliopsis
Species andreniformis - Calliopsis andreniformis
Species rhodophila - Calliopsis rhodophila
No Taxon Subgenus Hypomacrotera
Species subalpina - Calliopsis subalpina
No Taxon callops or persimilis
No Taxon Subgenus Nomadopsis sensu lato
Species barbata - Bearded Nomadopsis
Species filiorum - Calliopsis filiorum
Species fracta - Calliopsis fracta
Species helianthi - Euphorbia Nomadopsis
Species hesperia - Calliopsis hesperia
Species linsleyi - Linsley's Nomadopsis
Species obscurella - Calliopsis obscurella
Species puellae - Desert-dandelion Nomadopsis
Species scitula - Calliopsis scitula
Species scutellaris - Calliopsis scutellaris
Species zebrata - Calliopsis zebrata
Subspecies bobbae - Calliopsis zebrata bobbae
Species zonalis - Calliopsis zonalis
No Taxon Micronomadopsis
No Taxon Subgenus Verbenapis
Species nebraskensis - Nebraska Calliopsis
No Taxon Subgenus Perissander
Species anomoptera - Strange-winged Calliopsis
Tribe Panurgini
Subtribe Panurginina
Genus Panurginus
Species occidentalis - Panurginus occidentalis
No Taxon Panurginus cressoniellus or ineptus
Subtribe Perditina
Genus Macrotera
Species echinocacti - Barrel Cactus Macrotera
Species texana - Texas Macrotera
Species opuntiae - Sandstone Mining Bee
Species latior - Macrotera latior
Genus Perdita
No Taxon Subgenus Cockerellia
Species bequaerti - Bequaert's Perdita
Species coreopsidis - Tickseed Perdita
Species albipennis - White-winged Perdita
No Taxon Subgenus Hexaperdita
No Taxon Subgenus Perdita
No Taxon sphaeralceae species group
Species punctosignata - Perdita punctosignata
Species koebeli - Perdita koebeli
Subspecies koebeli - Perdita koebeli koebeli
Subspecies concinna - Perdita koebeli concinna
No Taxon zonalis species group
Species ericameriae - Perdita ericameriae
Species rivalis - Perdita rivalis
No Taxon ventralis species group
Species kiowi - Kiowa Perdita
Species rhois - Perdita rhois
Species bicuspidariae - Perdita bicuspidariae
No Taxon halictoides species group
Species halictoides - Ground-cherry Perdita
Species sexmaculata - Six-spotted Perdita
Subspecies sexmaculata - Six-spotted Perdita
No Taxon octomaculata species group
Species octomaculata - Eight-spotted Perdita
Species perpallida - All-pale Perdita
Species gerhardi - Perdita gerhardi
No Taxon undescribed species
No Taxon Subgenus Perditella
Species larreae - Perdita larreae
Species marcialis - Perdita marcialis
Species minima - Perdita minima
Species cladothricis - Perdita cladothricis
No Taxon Subgenus Pygoperdita
Species californica - Perdita californica
Species calochorti - Perdita calochorti
Species distropica - Perdita distropica
Species interrupta - Perdita interrupta
Subspecies interrupta - Perdita interrupta interrupta
Species fallugiae - Perdita fallugiae
No Taxon Subgenus Xerophasma
Species bequaertiana - Perdita bequaertiana
No Taxon Subgenus Glossoperdita
Species pelargoides - Perdita pelargoides
Tribe Protandrenini
Genus Anthemurgus
Species passiflorae - Anthemurgus passiflorae
Genus Protandrena
Species mexicanorum - Protandrena mexicanorum
Species cockerelli - Protandrena cockerelli
Genus Pseudopanurgus - Pseudopanurgus sensu lato
Species parvus - Pseudopanurgus parvus
No Taxon rudbeckiae species group/Pterosarus
Species albitarsis - Pseudopanurgus albitarsis
Species compositarum - Pseudopanurgus compositarum
Species andrenoides - Pseudopanurgus andrenoides
Species atricornis - Pseudopanurgus atricornis
No Taxon Pseudopanurgus sensu stricto
Species aethiops - Pseudopanurgus aethiops
Species fraterculus - Pseudopanurgus fraterculus
Subspecies timberlakei - Pseudopanurgus fraterculus timberlakei
Family Apidae - Cuckoo, Carpenter, Digger, Bumble, and Honey Bees
Subfamily Apinae - Honey, Bumble, Long-horned, Orchid, and Digger Bees
Tribe Anthophorini - Anthophorine Bees
Genus Anthophora
No Taxon Subgenus Anthophora
Species villosula - Anthophora villosula
No Taxon Subgenus Anthophoroides
Species californica - California Anthophora
Species pueblo - Pueblo Digger Bee
No Taxon Subgenus Clisodon
Species terminalis - Anthophora terminalis
No Taxon Subgenus Heliophila
Species curta - Anthophora curta
No Taxon Subgenus Lophanthophora
Species fedorica - Anthophora fedorica
Species ursina - Anthophora ursina
Species pacifica - Anthophora pacifica
No Taxon Subgenus Melea
Species abrupta - Anthophora abrupta
Species bomboides - Bumble-bee-mimic Anthophora
Species occidentalis - Western Anthophora
No Taxon Subgenus Mystacanthophora
Species montana - Rocky Mountain Anthophora
Species urbana - Anthophora urbana
Species walshii - Walsh's Anthophora
No Taxon Subgenus Paramegilla
Species centriformis - Anthophora centriformis
No Taxon Subgenus Pyganthophora
Species crotchii - Crotch's Anthophora
No Taxon bomboides or terminalis
No Taxon Subgenus Lophanthophora or Pyganthophora
Genus Habropoda
Species depressa - Habropoda depressa
Species laboriosa - Blueberry Habropoda
Species tristissima - Habropoda tristissima
Species pallida - Pallid Habropoda
Tribe Apini - Honey Bees
Genus Apis
Species mellifera - Western Honey Bee
Subspecies carnica - Carniolan Honeybee
Subspecies ligustica - Italian Honeybee
Subspecies mellifera - Black Honeybee
Subspecies scutellata - African Honeybee
Tribe Bombini - Bumble Bees
Genus Bombus - Bumble Bees
No Taxon Subgenus Alpinobombus
Species kirbiellus - Golden-belted Bumble Bee
Species natvigi - High Nearctic Bumble Bee
Species neoboreus - Bombus neoboreus
Species polaris - Polar Bumble Bee
No Taxon Subgenus Bombias
Species auricomus - Black-and-gold Bumble Bee
Species nevadensis - Nevada Bumble Bee
No Taxon Subgenus Bombus
Species affinis - Rusty-patched Bumble Bee
Species cryptarum - Cryptic Bumble Bee
Species franklini - Franklin's Bumble Bee
Species occidentalis - Western Bumble Bee
Species terricola - Yellow-banded Bumble Bee
Subspecies occidentalis - Western Bumble Bee
No Taxon Subgenus Cullumanobombus
Species crotchii - Crotch's Bumble Bee
Species fraternus - Southern Plains Bumble Bee
Species griseocollis - Brown-belted Bumble Bee
Species morrisoni - Morrison's Bumble Bee
Species rufocinctus - Red-belted Bumble Bee
No Taxon Subgenus Psithyrus
Species citrinus - Lemon Cuckoo Bumble Bee
Species fernaldae - Fernald's Cuckoo Bumble Bee
Species insularis - Indiscriminate Cuckoo Bumble Bee
Species suckleyi - Suckley's Cuckoo Bumble Bee
Species variabilis - Variable Cuckoo Bumble Bee
No Taxon Subgenus Pyrobombus
Species bifarius - Black-notched Bumble Bee
Species bimaculatus - Two-spotted Bumble Bee
Species caliginosus - Fog-belt Bumble Bee
Species centralis - Great Basin Bumble Bee
Species cockerelli - Cockerell's Bumble Bee
Species flavifrons - Yellow-fronted Bumble Bee
Species frigidus - Frigid Bumble Bee
Species huntii - Hunt's Bumble Bee
Species impatiens - Common Eastern Bumble Bee
Species melanopygus - Black-tailed Bumble Bee
Species mixtus - Mixed Bumble Bee
Species perplexus - Perplexing Bumble Bee
Species sandersoni - Sanderson's Bumble Bee
Species sitkensis - Sitka Bumble Bee
Species sylvicola - Forest Bumble Bee
Species ternarius - Tricolored Bumble Bee
Species vagans - Half-black Bumble Bee
Subspecies vagans - Bombus vagans vagans
Subspecies bolsteri - Bombus vagans bolsteri
Species vandykei - Van Dyke's Bumble Bee
Species vosnesenskii - Yellow-faced Bumble Bee
No Taxon resembles jonellus
No Taxon bifarius or huntii
No Taxon bifarius or ternarius
No Taxon bimaculatus or impatiens
No Taxon bimaculatus or perplexus
No Taxon bimaculatus, perplexus, sandersoni, or vagans
No Taxon caliginosus or vosnesenskii
No Taxon centralis or flavifrons
No Taxon centralis or vandykei
No Taxon flavifrons or sitkensis
No Taxon flavifrons or vandykei
No Taxon frigidus or mixtus
No Taxon huntii or ternarius
No Taxon melanopygus or mixtus
No Taxon melanopygus or sylvicola
No Taxon mixtus or sitkensis
No Taxon vagans, perplexus, or sandersoni
No Taxon vagans or sandersoni
No Taxon Subgenus Subterraneobombus
Species appositus - White-shouldered Bumble Bee
Species borealis - Northern Amber Bumble Bee
Species distinguendus - Great Yellow Bumble Bee
No Taxon Subgenus Thoracobombus
Species californicus - California Bumble Bee
Species fervidus - Golden Northern Bumble Bee
Species pensylvanicus - American Bumble Bee
Species sonorus - Sonoran Bumble Bee
No Taxon Bombus auricomus or pensylvanicus
No Taxon Bombus balteatus or frigidus
No Taxon Bombus morrisoni or nevadensis
No Taxon Bombus rufocinctus or ternarius
Tribe Centridini - Centridine Bees
Genus Centris - Centris Bees
No Taxon Subgenus Centris, Nominate Centris Bees
Species errans - Wandering Centris
No Taxon Subgenus Heterocentris
Species nitida - Centris nitida
No Taxon Subgenus Paracentris
Species caesalpiniae - Centris caesalpiniae
Species cockerelli - Centris cockerelli
Species pallida - Pallid Bee
Species rhodopus - Red-legged Centris
No Taxon pallida or tiburonensis
Species atripes - Centris atripes
Species lanosa - Centris lanosa
Species hoffmanseggiae - Centris hoffmanseggiae
Tribe Emphorini - Chimney Bees
Genus Ancyloscelis
Genus Diadasia
No Taxon Subgenus Dasiapis
Species ochracea - Ochraceous Chimney Bee
No Taxon Subgenus Diadasia
Species enavata - Sunflower Chimney Bee
No Taxon Subgenus Coquillettapis
Species bituberculata - Diadasia bituberculata
Species diminuta - Diadasia diminuta
Species rinconis - Diadasia rinconis
No Taxon australis species group
Species australis - Diadasia australis
Subspecies californica - Diadasia australis californica
No Taxon mallow-visiting group of subgenus Coquillettapis
Genus Melitoma
Species marginella - Melitoma marginella
Species taurea - Melitoma taurea
Genus Ptilothrix
No Taxon undescribed species near sumichrasti
Species bombiformis - Hibiscus Bee
Tribe Ericrocidini - Centris-cuckoos
Genus Mesoplia
Species dugesi - Mesoplia dugesi
Genus Ericrocis
Species pintada - Ericrocis pintada
Species lata - Ericrocis lata
Tribe Eucerini - Long-horned Bees
Genus Cemolobus
Species ipomoeae - Cemolobus ipomoeae
Genus Eucera
No Taxon Subgenus Synhalonia
Species actuosa - Eucera actuosa
Species cordleyi - Eucera cordleyi
Species edwardsii - Eucera edwardsii
Species frater - Eucera frater
Subspecies albopilosa - Eucera frater albopilosa
Species hamata - Eucera hamata
Species rosae - Eucera rosae
No Taxon atriventris or dubitata
Species fulvitarsis - Eucera fulvitarsis
Subspecies fulvitarsis - Eucera fulvitarsis fulvitarsis
Genus Martinapis
Species occidentalis - Western Morning Long-horned Bee
Species luteicornis - Yellow-horned Morning Long-horned Bee
Genus Melissodes
No Taxon Subgenus Callimelissodes
Species stearnsi - Melissodes stearnsi
No Taxon Subgenus Eumelissodes, True Melissodes Bees
Species agilis - Agile Long-horned Bee
Species denticulatus - Melissodes denticulatus
Species dentiventris - Melissodes dentiventris
Species druriellus - Melissodes druriellus
Species illatus - Melissodes illatus
Species pallidisignatus - Melissodes pallidisignatus coastal form
Species robustior - Robust Long-horned Bee
Species subillatus - Melissodes subillatus
Species trinodis - Melissodes trinodis
Species tristis - Melissodes tristis
No Taxon agilis or trinodis
No Taxon resembles confusus
No Taxon Subgenus Heliomelissodes
Species desponsus - Thistle Long-horned Bee
Species rivalis - Melissodes rivalis
No Taxon Subgenus Melissodes, Nominate Melissodes Bees
Species bimaculatus - Two-spotted Longhorn
Species communis - Common Long-horned Bee
Subspecies communis - Melissodes communis communis
Subspecies alopex - Melissodes communis alopex
Species comptoides - Brown-winged Long-horned Bee
Species paroselae - Parosela Long-horned Bee
Species tepaneca - Tepanec Long-horned Bee
No Taxon Subgenus Apomelissodes
Species apicatus - Melissodes apicatus
Genus Peponapis - Squash Bees
Species pruinosa - Pruinose Squash Bee
Genus Simanthedon
Species linsleyi - Simanthedon linsleyi
Genus Svastra
Species duplocincta - Svastra (Idiomelissodes) duplocincta
No Taxon Subgenus Epimelissodes
Species aegis - Svastra aegis
Species atripes - Svastra atripes
Subspecies atripes - Svastra atripes atripes
Species machaerantherae - Svastra machaerantherae
Species obliqua - Svastra (Epimelissodes) obliqua
Subspecies caliginosa - Svastra obliqua caliginosa
Subspecies expurgata - Svastra obliqua expurgata
Subspecies obliqua - Svastra obliqua obliqua
Species petulca - Svastra petulca
Subspecies petulca - Svastra petulca petulca
Species sabinensis - Svastra sabinensis
Subspecies sabinensis - Svastra sabinensis sabinensis
No Taxon petulca or sabinensis
Species texana - Svastra texana
Genus Syntrichalonia - Exquisite Long-horned Bee
Species exquisita - Exquisite Long-horned Bee
Genus Tetraloniella
Species eriocarpi - Tetraloniella eriocarpi
Species lippiae - Tetraloniella lippiae
Species pomonae - Tetraloniella pomonae
Species albata - Tetraloniella albata
Genus Xenoglossa - Large Squash Bee
Species kansensis - Kansas Squash Bee
No Taxon (Xenoglossa) angustior or patricia
Species strenua - Xenoglossa (Eoxenoglossa) strenua
No Taxon Melissodes or Tetraloniella
No Taxon Melissodes or Svastra
Genus Florilegus
Species condignus - Florilegus condignus
Tribe Euglossini - Orchid Bees
Genus Euglossa - Typical Orchid Bees
Species dilemma - Dilemma Orchid Bee
Tribe Exomalopsini
Genus Anthophorula
Species albicans - Anthophorula albicans
Species completa - Anthophorula completa
Species palmarum - Anthophorula palmarum
Genus Exomalopsis
Species solani - Solanum Exomalopsis
Species mellipes - Exomalopsis mellipes
Tribe Melectini - digger-bee-cuckoos
Genus Melecta
Species edwardsii - Edward's Melecta
Species separata - Melecta separata
Subspecies callura - Melecta separata callura
No Taxon pacifica fulvida or thoracica
Species pacifica - Melecta pacifica
Subspecies atlantica - Melecta pacifica atlantica
No Taxon Subgenus Melecta undetermined
Genus Xeromelecta
No Taxon Subgenus Melectomorpha
Species californica - California Xeromelecta
Species interrupta - Interrupted Xeromelecta
Species larreae - Larrea Xeromelecta
Genus Zacosmia
Species maculata - Zacosmia maculata
Tribe Osirini
Genus Epeoloides
Species pilosulus - Epeoloides pilosulus
Tribe Protepeolini
Genus Leiopodus
Species singularis - Singular Chimney-bee-cuckoo
Subfamily Nomadinae - Cuckoo Bees
Tribe Ammobatini
Genus Oreopasites
Species barbarae - Barbara's Oreopasites
Tribe Ammobatoidini
Genus Holcopasites
Species calliopsidis - Holcopasites calliopsidis
Species minimus - Holcopasites minimus
Species stevensi - Holcopasites stevensi
No Taxon heliopsis or pulchellus
Tribe Biastini
Genus Neopasites
Species fulviventris - Neopasites fulviventris
Species mojavensis - Neopasites mojavensis
Genus Rhopalolemma
Species rotundiceps - Rhopalolemma rotundiceps
Tribe Brachynomadini
Genus Brachynomada
Species margaretae - Brachynomada margaretae
Species annectens - Brachynomada annectens
Genus Paranomada
Species velutina - Paranomada velutina
Genus Triopasites
Species penniger - Triopasites penniger
Tribe Epeolini
Genus Triepeolus
Species brittaini - Triepeolus brittaini
Species concavus - Triepeolus concavus
Species distinctus - Triepeolus distinctus
Species donatus - Triepeolus donatus
Species grandis - Triepeolus grandis
Species grindeliae - Triepeolus grindeliae
Species intrepidus - Triepeolus intrepidus
Species kathrynae - Triepeolus kathrynae
Species loomisorum - Triepeolus loomisorum
Species lunatus - Triepeolus lunatus
Species martini - Triepeolus martini
Species mexicanus - Triepeolus mexicanus
Species pectoralis - Triepeolus pectoralis
Species remigatus - Triepeolus remigatus
Species rufithorax - Triepeolus rufithorax
Species simplex - Triepeolus simplex
Species verbesinae - Triepeolus verbesinae
No Taxon verbesinae species group
No Taxon new species in the verbesinae species group
Genus Epeolus
Species autumnalis - Epeolus autumnalis
Species canadensis - Epeolus canadensis
Species bifasciatus - Epeolus bifasciatus
Species compactus - Epeolus compactus
Species glabratus - Epeolus glabratus
Species mesillae - Epeolus mesillae
Species pusillus - Epeolus pusillus
Species scutellaris - Epeolus scutellaris
Species zonatus - Epeolus zonatus
Species olympiellus - Epeolus olympiellus
Species howardi - Howard's Cellophane-cuckoo
Species carolinus - Epeolus carolinus
Species lectoides - Epeolus lectoides
Tribe Hexepeolini
Genus Hexepeolus
Species rhodogyne - Hexepeolus rhodogyne
Tribe Neolarrini
Genus Neolarra
Species verbesinae - Neolarra verbesinae
Species californica - Neolarra californica
Species vigilans - Neolarra vigilans
Tribe Nomadini - Nomad Bees
Genus Nomada - Nomad Bees
No Taxon edwardsii species group
Species edwardsii - Edwards' Nomad Bee
Species hemphilli - Nomada hemphilli
No Taxon resembles affabilis
Species superba - Superb Nomada
Species affabilis - Nomada affabilis
No Taxon erigeronis species group
Species articulata - Nomada articulata
Species crotchii - Nomada crotchii
Species erigeronis - Nomada erigeronis
Species australis - Nomada australis
No Taxon roberjeotiana species group
Species placida - Nomada placida
Species verecunda - Nomada verecunda
No Taxon ruficornis species group, Typical Nomad Bees
Species armatella - Nomada armatella
Species bella - Nomada bella
Species bethunei - Nomada bethunei
Species cressonii - Cresson's Nomad Bee
Species cuneata - Cuneate Nomada
Species denticulata - Nomada denticulata
Species electa - Nomada electa
Species gracilis - Slender Nomad Bee
Species imbricata - Nomada imbricata
Species luteoloides - Nomada luteoloides
Species maculata - Spotted Nomad Bee
Species pygmaea - Pygmy Nomad Bee
Species vicina - Nomada vicina
No Taxon luteola subgroup aka Heminomada, e.g., luteoloides & imbricata
No Taxon cf depressa
No Taxon valida and relatives including lehighensis
No Taxon Gnathias i.e. toothed species
Species obliterata - Nomada obliterata
No Taxon vegana species group
Species fervida - Nomada fervida
Species suavis - Nomada suavis
Species texana - Texas Nomad
Species vegana - Nomada vegana
Species tiftonensis - Nomada tiftonensis
No Taxon vincta species group
Species utahensis - Utah Nomada
Species vincta - Nomada vincta
Tribe Townsendiellini
Genus Townsendiella
Species pulchra - Beautiful Townsendiella
Species rufiventris - Red-bellied Townsendiella
Subfamily Xylocopinae - Carpenter Bees
Genus Ceratina - Small Carpenter Bees
No Taxon Subgenus Calloceratina - Beautiful Ceratina
Species cobaltina - Cobalt Ceratina
No Taxon Subgenus Ceratinula
Species arizonensis - Arizona Ceratina
Species cockerelli - Cockerell's Ceratina
No Taxon Subgenus Zadontomerus
Species acantha - Prickly Ceratina
Species calcarata - Spurred Ceratina
Species dupla - Doubled Ceratina
Species floridana - Florida Ceratina
Species nanula - Dwarf Ceratina
Species sequoiae - Ceratina sequoiae
Species strenua - Nimble Ceratina
No Taxon calcarata, dupla, or mikmaqi
No Taxon calcarata or strenua
No Taxon duple or mikmaqi
Species mikmaqi - Mikmaq Ceratina
No Taxon subgenus Euceratina - True Ceratina
Species dallatorreana - Dalla Torre's Ceratina
Genus Xylocopa - Large Carpenter Bees
No Taxon Subgenus Neoxylocopa
Species mexicanorum - Xylocopa mexicanorum
Species varipuncta - Valley Carpenter Bee
No Taxon Subgenus Notoxylocopa
Species tabaniformis - Horsefly-like Carpenter Bee
Subspecies parkinsoniae - Xylocopa tabaniformis parkinsoniae
Subspecies orpifex - Xylocopa tabaniformis orpifex
Subspecies androleuca - Xylocopa tabaniformis androleuca
No Taxon Subgenus Schonnherria
Species micans - Southern Carpenter Bee
No Taxon Subgenus Stenoxylocopa
Species micheneri - Michener's Carpenter Bee
Species strandi - Strand's Carpenter Bee
No Taxon Subgenus Xylocopoides
Species californica - Western Carpenter Bee
Subspecies californica - California Carpenter Bee
Subspecies diamesa - Xylocopa californica diamesa
Subspecies arizonensis - Arizona Carpenter Bee
Species virginica - Eastern Carpenter Bee
Subspecies krombeini - Xylocopa virginica krombeini
Subspecies texana - Texas Carpenter Bee
Subspecies virginica - Xylocopa virginica virginica
No Taxon Subgenus Alloxylocopa
Species appendiculata - Xylocopa appendiculata
Family Colletidae - Cellophane or Plasterer, Masked, and Fork-tongued Bees
Subfamily Diphaglossinae - Diphaglossinae, Fork- and Feather-tongued Bees
Genus Caupolicana - Fork-tongued Bees
Species ocellata - Ocellated Fork-tongued Bee
Species yarrowi - Yarrow's Fork-tongued Bee
Genus Ptiloglossa - Feather-tongued Bees
Species mexicana - Mexican Feather-tongued Bee
Genus Zikanapis - Zikan's Feather-tongued Bees
Species elegans - Elegant Feather-tongued Bee
Genus Colletes - Cellophane bees
No Taxon americanus species group
No Taxon simulans species group
Species aberrans - Aberrant Cellophane Bee
Species bryanti - Bryant's Cellophane Bee
Species compactus - Aster Cellophane Bee
Subspecies compactus - Colletes compactus compactus
Species fulgidus - Glittering Cellophane Bee
Subspecies longiplumosus - Long-plumed Cellophane Bee
Species kincaidii - Kincaid's Cellophane Bee
Species howardi - Howard's Cellophane Bee
Species hyalinus - Hyaline Cellophane Bee
Subspecies gaudialis - Colletes hyalinus gaudialis
Species inaequalis - Unequal Cellophane Bee
Species latitarsis - Broad-footed Cellophane Bee
Species longifacies - Long-faced Cellophane Bee
Species phaceliae - Phacelia Cellophane Bee
Species ochraceus - Ochraceous Cellophane Bee
Species simulans - Spine-shouldered Cellophane Bee
Subspecies armatus - Eastern Spine-shouldered Cellophane Bee
Subspecies nevadensis - Nevada Spine-shouldered Cellophane Bee
Species slevini - Slevin's Cellophane Bee
Species solidaginis - Goldenrod Cellophane Bee
Species susannae - Susanna's Cellophane Bee
Species tectiventris - Hairy-tailed Cellophane Bee
Species thoracicus - Rufous-chested Cellophane Bee
Species ultravalidus - Sandhills Cellophane Bee
Species validus - Blueberry Cellophane Bee
No Taxon resembling Colletes louisae
No Taxon resembling Colletes skinneri
No Taxon resembling Colletes eulophi
No Taxon inaequalis or validus
No Taxon resembling Colletes paniscus paniscus
Genus Hylaeus - Masked Bees
No Taxon Subgenus Cephalylaeus, Large-headed Masked Bees
Species basalis - Cinquefoil Masked Bee
No Taxon Subgenus Hylaeus, Nominate Masked Bees
Species annulatus - Annulate Masked Bee
Species leptocephalus - Slender-faced Masked Bee
Species mesillae - Mesilla Masked Bee
Subspecies cressoni - Cresson's Masked Bee
Species verticalis - Vertical Masked Bee
No Taxon Subgenus Paraprosopis
Species calvus - Yerba Santa Masked Bee
Species polifolii - Buckwheat Masked Bee
No Taxon Subgenus Prosopis
Species affinis - Eastern Masked Bee
Species episcopalis - Episcopal Masked Bee
Subspecies coquilletti - Coquillett's Masked Bee
Species modestus - Modest Masked Bee
Subspecies modestus - Eastern Modest Masked Bee
Subspecies citrinifrons - Lemon-fronted Masked Bee
Species schwarzii - Schwarz's Masked Bee
Species ornatus - Ornate Masked Bee
No Taxon Subgenus Spatulariella, Spatulate-Masked Bees
Species punctatus - Punctate Spatulate-Masked Bee
Species hyalinatus - Hyaline Spatulate-Masked Bee
No Taxon Subgenus Hylaeana
Species panamensis - Panama Masked Bee
Species graenicheri - Graenicher's Masked Bee
Family Halictidae - Sweat Bees
Subfamily Halictinae
Tribe Augochlorini
Genus Augochlora
Species pura - Pure Green Augochlora
Subspecies mosieri - Augochlora pura mosieri
Species azteca - Aztec Augochlora
Genus Augochlorella
Species aurata - Augochlorella aurata
Species neglectula - Augochlorella neglectula
Species pomoniella - Augochlorella pomoniella
No Taxon neglectula or pomoniella
Genus Augochloropsis
Species anonyma - Augochloropsis anonyma
Species metallica - Augochloropsis metallica
Species sumptuosa - Augochloropsis sumptuosa
No Taxon Augochlorella or Augochlora pura
Tribe Halictini
Genus Agapostemon - Striped-Sweat bees
No Taxon Subgenus Agapostemon
Species angelicus - Angeles Striped-Sweat bee
Species coloradinus - Colorado Striped-Sweat bee
Species femoratus - Agapostemon femoratus
Species melliventris - Honey-tailed Striped-Sweat bee
Species obliquus - Agapostemon obliquus
Species sericeus - Silky Striped-Sweat bee
Species splendens - Dark-winged Striped-Sweat bee
Species texanus - Texas Striped-Sweat bee
Species tyleri - Tyler's Agapostemon
Species virescens - Bicolored Agapostemon
No Taxon Subgenus Notagapostemon
Species nasutus - Agapostemon nasutus
No Taxon angelicus or texanus
No Taxon coloradinus or virescens
Genus Halictus - Furrow Bees
No Taxon Subgenus Seladonia
Species confusus - Halictus (Seladonia) confusus
Subspecies arapahonum - Halictus confusus arapahonum
Species tripartitus - Halictus (Seladonia) tripartitus
Species virgatellus - Halictus virgatellus
No Taxon Subgenus Halictus sensu lato
Species farinosus - Halictus (Nealictus) farinosus
Species parallelus - Halictus (Nealictus) parallelus
Species ligatus - Ligated Furrow Bee
Species poeyi - Poey's Furrow Bee
Species rubicundus - Halictus (Protohalictus) rubicundus
No Taxon ligatus or poeyi
No Taxon farinosus or rubicundus
No Taxon Subgenus Vestitohalictus
Species tectus - Halictus (Vestitohalictus) tectus
Genus Lasioglossum
No Taxon Subgenus Dialictus, Metallic-Sweat Bees
No Taxon pilosum species group
No Taxon tegulare species group
Species actinosum - Lasioglossum actinosum
Species albipenne - White-winged Metallic-Sweat Bee
Species anomalum - Anomalous Metallic-Sweat Bee
Species atwoodi - Atwood's Dialictus
Species bruneri - Bruner's Dialictus
Species coeruleum - Lasioglossum coeruleum
Species coreopsis - Lasioglossum coreopsis
Species cressonii - Cresson's Dialictus
Species floridanum - Florida Dialictus
Species gotham - Lasioglossum gotham
Species imbrex - Lasioglossum imbrex
Species imitatum - Lasioglossum imitatum
Species lepidii - Lasioglossum lepidii
Species leucocomum - Lasioglossum leucocomum
Species nigroviride - Black-and-Green Dialictus Sweat Bee
Species nymphale - Lasioglossum nymphale
Species oblongum - Lasioglossum oblongum
Species oceanicum - Lasioglossum oceanicum
Species petrellum - Lasioglossum petrellum
Species pictum - Lasioglossum pictum
Species pilosum - Lasioglossum pilosum
Species pruinosum - Pruinose Metallic-Sweat Bee
Species reticulatum - Reticulate Dialictus
Species semicaeruleum - Lasioglossum semicaeruleum
Species subviridatum - Lasioglossum subviridatum
Species tarponense - Lasioglossum tarponense
Species tegulare - Epaulette Metallic-Sweat Bee
Species tuolumnense - Tuolumne Dialictus
Species versatum - Lasioglossum versatum
Species vierecki - Viereck's Dialictus
Species zephyrum - Zephyr Dialictus
No Taxon cressonii or bruneri
No Taxon pale-winged Dialictus
No Taxon resembling true L. versatum (=rohweri)
No Taxon red-tailed Dialictus such as L. pictum
No Taxon resembles L. incompletum
No Taxon resembles L. laevissimum
No Taxon resembles pilosum group and actinosum, from Pacific states
No Taxon resembles L. versans
No Taxon socially parasitic Paralictus
Species michiganense - Lasioglossum michiganense
Species lionotum - Lasioglossum lionotum
No Taxon tegulare or ellisiae
Species marinum - Marine Metallic-Sweat Bee
Species lineatulum - Lineated Metallic-Sweat Bee
No Taxon Subgenus Evylaeus sensu lato
Species cinctipes - Lasioglossum cinctipes
No Taxon resembles cinctipes
No Taxon cinctipes or truncatum
No Taxon Subgenus Lasioglossum (Lasioglossum sensu McGinley, 1986)
Species coriaceum - Lasioglossum coriaceum
Species fuscipenne - Lasioglossum fuscipenne
Species pavonotum - Lasioglossum pavonotum
Species sisymbrii - Lasioglossum sisymbrii
Species mellipes - Lasioglossum mellipes
Species titusi - Titus' Lasioglossum
Species olympiae - Lasioglossum olympiae
Species pacificum - Lasioglossum pacificum
No Taxon Subgenus Leuchalictus
Species leucozonium - Lasioglossum leucozonium
Species zonulum - Lasioglossum zonulum
No Taxon Subgenus Sphecodogastra sensu lato
Species oenotherae - Lasioglossum oenotherae
Species quebecense - Lasioglossum quebecense
No Taxon Subgenus Sphecodogastra sensu stricto, Nocturnal Sweat Bees
Species texanum - Texas Nocturnal Sweat Bee
No Taxon Weak-veined species, i. e. Hemihalictus series
No Taxon Subgenus Hemihalictus sensu lato
Species ovaliceps - Lasioglossum ovaliceps
Species pectinatum - Lasioglossum pectinatum
Species pectorale - Lasioglossum pectorale
Species pectoraloides - Lasioglossum pectoraloides
Species macoupinense - Lasioglossum macoupinense
Genus Mexalictus
Species arizonensis - Arizona Mexalictus
Genus Sphecodes
Species aroniae - Sphecodes aroniae
Species confertus - Sphecodes confertus
Species davisii - Sphecodes davisii
Species heraclei - Sphecodes heraclei
Subspecies heraclei - Sphecodes heraclei heraclei
Subspecies ignitus - Sphecodes heraclei ignitus
Species johnsonii - Johnson's Sphecodes
Species mandibularis - Sphecodes mandibularis
Species ranunculi - Sphecodes ranunculi
No Taxon ranunculi or aroniae
Species solonis - Sphecodes solonis
No Taxon resembles S. minor
Subfamily Nomiinae
Genus Dieunomia
No Taxon Subgenus Dieunomia
Species heteropoda - Dieunomia heteropoda
No Taxon Subgenus Epinomia
Species nevadensis - Nevada Nomia
Subspecies arizonensis - Dieunomia nevadensis arizonensis
Subspecies bakeri - Dieunomia nevadensis bakeri
Species triangulifera - Dieunomia triangulifera
Genus Nomia
Species melanderi - Alkali Bee
Species nortoni - Norton's Nomia
Species tetrazonata - Four-banded Nomia
Subfamily Rophitinae
Genus Conanthalictus
Species bakeri - Conanthalictus bakeri
Species macrops - Conanthalictus macrops
Genus Dufourea
Species echinocacti - Barrel Cactus Dufourea
Species marginata - Dufourea marginata
Species monardae - Monarda Dufourea
No Taxon probably mulleri
Species versatilis - Dufourea versatilis
Species maura - Dufourea maura
Genus Micralictoides
Species ruficaudus - Micralictoides ruficaudus
Genus Protodufourea
Species eickworti - Protodufourea eickworti
Genus Sphecodosoma
No Taxon Subgenus Sphecodosoma
Species dicksoni - Sphecodosoma dicksoni
Genus Xeralictus
Species biscuspidariae - Xeralictus biscuspidariae
Species timberlakei - Xeralictus timberlakei
Family Megachilidae - Leafcutter, Mason, and Resin Bees, and allies
Subfamily Lithurginae - Woodborer Bees
Genus Lithurgus
No Taxon Subgenus Lithurgus
Species chrysurus - Mediterranean Wood-boring Bee
Genus Lithurgopsis - Northern Cactus Woodborers
Species apicalis - Orange-tipped Woodborer
Species gibbosa - Southeastern Woodborer
Species echinocacti - Barrel Cactus Woodborer
Subfamily Megachilinae
Tribe Anthidiini
Genus Anthidiellum - Rotund Resin Bees
Species ehrhorni - Ehrhorn's Rotund-Resin Bee
Species notatum - Northern Rotund-Resin Bee
Subspecies robertsoni - California Rotund-Resin Bee
Subspecies rufimaculatum - Florida Rotund-Resin Bee
Subspecies notatum - Eastern Rotund-Resin Bee
Subspecies gilense - Gila Rotund-Resin Bee
Species perplexum - Perplexing Rotund-Resin Bee
Genus Anthidium - Wool-carder Bees
No Taxon Subgenus Anthidium, Typical Wool-carder Bees
Species edwardsii - Edwards' Wool-carder Bee
Species emarginatum - Emarginate Wool-carder Bee
Species illustre - Anthidium illustre
Species maculifrons - Spot-fronted Wool-carder Bee
Species maculosum - Anthidium maculosum
Species manicatum - European Woolcarder
Species palliventre - Pacific Wool-carder Bee
Species porterae - Porter's Wool-carder Bee
Species psoraleae - Anthidium psoraleae
Species utahense - Utah Wool-carder Bee
No Taxon Former subgenus Callanthidium, i.e. A. formosum or A. illustre
No Taxon Subgenus Proanthidium
Species oblongatum - Oblong Woolcarder
Genus Dianthidium
Species curvatum - Dianthidium curvatum
Subspecies sayi - Dianthidium curvatum sayi
Species floridiense - Dianthidium floridiense
Species simile - Dianthidium simile
Genus Paranthidium
Species jugatorium - Paranthidium jugatorium
Subspecies jugatorium - Paranthidium jugatorium jugatorium
Subspecies perpictum - Paranthidium jugatorium perpictum
Subspecies lepidum - Paranthidium jugatorium lepidum
Genus Pseudoanthidium
Species nanum - Pseudoanthidium nanum
Genus Stelis
No Taxon Subgenus Heterostelis
No Taxon Subgenus Stelis
Species coarctatus - Stelis coarctatus
Species diversicolor - Stelis diversicolor
Species interrupta - Stelis interrupta
Species lateralis - Stelis lateralis
Species melanotricha - Stelis melanotricha
No Taxon Subgenus Dolichostelis
Species costalis - Stelis costalis
Species laticincta - Stelis laticincta
Species louisae - Stelis louisae
Species perpulchra - Stelis perpulchra
Species rudbeckiarum - Stelis rudbeckiarum
Genus Trachusa
No Taxon Subgenus Trachusomimus
Species perdita - Trachusa perdita
No Taxon Subgenus Heteranthidium
Species dorsalis - Trachusa dorsalis
Species larreae - Trachusa larreae
Species zebrata - Trachusa zebrata
Species cordaticeps - Trachusa cordaticeps
Species fontemvitae - Trachusa fontemvitae
Species timberlakei - Trachusa timberlakei
No Taxon Subgenus Ulanthidium
Species manni - Trachusa manni
Tribe Dioxyini
Genus Dioxys
Species productus - Dioxys productus
Tribe Megachilini
Genus Megachile - Leafcutter, Resin, and Mortar Bees
No Taxon Subgenus Acentron, Large-toothed Leafcutters
Species albitarsis - White-footed Leafcutter
No Taxon Subgenus Argyropile, Bent-tailed Leaf-cutter Bees
Species parallela - Parallel Leaf-cutter Bee
No Taxon Subgenus Callomegachile, Giant Resin Bees
Species sculpturalis - Sculptured Resin Bee
Species umbripennis - Shadow-winged Resin Bee
No Taxon Subgenus Chelostomoides
Species angelarum - Megachile angelarum
Species campanulae - Bellflower Resin Bee
Species davidsoni - Golden-eardrops Resin Bee
Species discorhina - Megachile discorhina
Species chilopsidis - Desert-willow Resin Bee
Species prosopidis - Megachile prosopidis
Species exilis - Slender Resin Bee
No Taxon Subgenus Eutricharaea, Small Leaf-cutter Bees
Species apicalis - Apical Leafcutter Bee
Species pusilla - Megachile pusilla
Species rotundata - Alfalfa Leafcutter Bee
No Taxon Subgenus Leptorachis
Species petulans - Petulant Leaf-cutter Bee
No Taxon Subgenus Litomegachile
Species brevis - Common Little Leaf-cutter Bee
Species gentilis - Megachile gentilis
Species mendica - Flat-tailed Leaf-cutter Bee
Species onobrychidis - Western Little Leaf-cutter Bee
Species pseudobrevis - Southeastern Little Leaf-cutter Bee
Species texana - Texas Leaf-cutter Bee
No Taxon lippiae or texana
No Taxon Resembles lippiae
No Taxon Subgenus Megachile
Species centuncularis - Linnean Leafcutter
Species inermis - Unarmed Leafcutter
Species montivaga - Silver-tailed Petalcutter
Species nivalis - Snowy Leafcutter
Species relativa - Golden-tailed Leafcutter
No Taxon Subgenus Megachiloides
No Taxon Subgenus Melanosarus, Black Leaf-cutter Bees
Species bahamensis - Bahama Leaf-cutter Bee
Species xylocopoides - Carpenter-mimic Leaf-cutter Bee
No Taxon Subgenus Pseudocentron
Species pruina - Hoary Leaf-cutter Bee
Subspecies nigropinguis - Megachile pruina nigropinguis
No Taxon Subgenus Pseudomegachile
Species lanata - Woolly Wall Bee
No Taxon Subgenus Sayapis
Species fidelis - Horn-faced Leaf-cutter Bee
Species inimica - Hostile Leaf-cutter Bee
Subspecies inimica - Megachile inimica inimica
Subspecies sayi - Megachile inimica sayi
Species newberryae - Newberry's leaf-cutter Bee
Species policaris - Megachile policaris
Species pugnata - Pugnacious Leaf-cutter Bee
Subspecies pomonae - Megachile pugnata pomonae
Subspecies pugnata - Megachile pugnata pugnata
No Taxon resembles zaptlana
No Taxon resembles inimica jacumbensis
Species frugalis - Megachile frugalis
No Taxon Subgenus Xanthosarus
Species addenda - Megachile addenda
Species comata - Megachile comata
Species frigida - Frigid Leaf-cutter Bee
Species gemula - Small-handed Leaf-cutter Bee
Species latimanus - Broad-handed Leafcutter
Species melanophaea - Black-and-gray Leaf-cutter Bee
Species perihirta - Furry Leaf-cutter Bee
No Taxon gemula or mucida
No Taxon melanophaea or mucida
No Taxon Subgenus Litomegachile or Megachile
No Taxon Megachile leaf damage
No Taxon Subgenus Phaenosarus
Species fortis - Megachile fortis
No Taxon Subgenus Megachiloides, Phaenosarus, or Xanthosarus
Genus Coelioxys - Cuckoo-leaf-cutter Bees
No Taxon Subgenus Acrocoelioxys, now included in subgenus Neocoelioxys
Species dolichos - Carpenter-mimic Cuckoo-leaf-cutter
No Taxon Subgenus Allocoelioxys
Species coturnix - Red-tipped Cuckoo-leaf-cutter
No Taxon Subgenus Boreocoelioxys, Northern Cuckoo-leaf-cutter Bees
Species banksi - Coelioxys banksi
Species octodentatus - Eight-toothed Cuckoo-leaf-cutter
Species porterae - Porter's Cuckoo-leaf-cutter
Species rufitarsis - Red-footed Cuckoo-leaf-cutter
Species sayi - Say's Cuckoo-leaf-cutter
No Taxon Subgenus Cyrtocoelioxys
Species modestus - Modest Cuckoo-leaf-cutter
No Taxon Subgenus Haplocoelioxys, now included in subgenus Glyptocoelioxys
Species mexicanus - Mexican Cuckoo-leaf-cutter
No Taxon Subgenus Synocoelioxys
Species alternatus - Alternate Cuckoo-leaf-cutter
Species hunteri - Hunter's Cuckoo-leaf-cutter
Species texanus - Coelioxys texana
No Taxon Subgenus Xerocoelioxys
Species immaculatus - Coelioxys immaculatus
No Taxon Subgenus Neocoelioxys
Species slossoni - Coelioxys slossoni
Subspecies arenicola - Coelioxys slossoni arenicola
Subspecies slossoni - Coelioxys slossoni slossoni
Species menthae - Coelioxys menthae
No Taxon Subgenus Glyptocoelioxys
Species germanus - Coelioxys germanus
Tribe Osmiini
Genus Ashmeadiella
No Taxon Subgenus Arogochila
Species eurynorhyncha
No Taxon Subgenus Cubitognatha
Species xenomastax - Ashmeadiella xenomastax
No Taxon Subgenus Isosmia
Species rubrella - Ashmeadiella rubrella
No Taxon Subgenus Ashmeadiella
Species bigeloviae - Ashmeadiella bigeloviae
Genus Chelostoma
No Taxon Subgenus Foveosmia
Species californicum - Chelostoma californicum
Species campanularum - Chelostoma campanularum
No Taxon Subgenus Prochelostoma
Species philadelphi - Chelostoma philadelphi
No Taxon Subgenus Gyrodromella
Species rapunculi - Chelostoma rapunculi
Genus Heriades
Species carinata - Heriades carinata
Species leavitti - Heriades leavitti
Genus Hoplitis
No Taxon Subgenus Alcidamea sensu stricto
Species elongaticeps - Hoplitis elongaticeps
Species producta - Hoplitis producta
No Taxon producta or pilosifrons
No Taxon Former subgenus Cyrtosmia, now subgenus Alcidamea in part
Species hypocrita - Hoplitis hypocrita
No Taxon Former subgenus Monumetha, now subgenus Alcidamea in part
Species albifrons - Hoplitis albifrons
Subspecies argentifrons - Hoplitis albifrons argentifrons
Subspecies maura - Hoplitis albifrons maura
Species fulgida - Hoplitis fulgida
Subspecies platyura - Hoplitis fulgida platyura
Subspecies fulgida - Hoplitis fulgida fulgida
Species spoliata - Hoplitis spoliata
No Taxon Subgenus Hoplitis
Species anthocopoides - Hoplitis anthocopoides
No Taxon Subgenus Proteriades
Species bullifacies - Hoplitis bullifacies
Species bunocephala - Hoplitis bunocephala
Species incanescens - Hoplitis incanescens
No Taxon Former subgenus Dasyosmia, now subgenus Alcidamea in part
Species biscutellae - Hoplitis biscutellae
Genus Osmia - Mason Bees
No Taxon Subgenus Cephalosmia
Species montana - Osmia montana
Subspecies quadriceps - Osmia montana quadriceps
No Taxon Subgenus Diceratosmia
Species botitena - Osmia botitena
Species subfasciata - Osmia subfasciata
No Taxon Subgenus Euthosmia
Species glauca - Osmia glauca
No Taxon Subgenus Helicosmia
Species caerulescens - Osmia caerulescens
Species chalybea - Osmia chalybea
Species coloradensis - Colorado Osmia
Species georgica - Osmia georgica
Species texana - Texas Osmia
No Taxon Subgenus Melanosmia
Species aglaia - Osmia aglaia
Species integra - Osmia integra
Species bucephala - Bufflehead Mason Bee
Species calaminthae - Calamintha Osmia
Species clarescens - Osmia clarescens
Species cyanella - Osmia cyanella
Species dakotensis - Osmia dakotensis
Species distincta - Osmia distincta
Species foxi - Osmia foxi
Species pumila - Osmia pumila
Species rawlinsi - Osmia rawlinsi
Species simillima - Osmia simillima
Species longula - Osmia longula
No Taxon Chenosmia group including metallic green or blue Osmia
No Taxon likely Nothosmia Group II sensu Sinha
No Taxon resembles nemoris
No Taxon resembles proxima
No Taxon Subgenus Osmia
Species cornifrons - Hornfaced Bee
Species lignaria - Blue Orchard Bee
Subspecies lignaria - Osmia lignaria lignaria
Subspecies propinqua - Osmia lignaria propinqua
Species ribifloris - Osmia ribifloris
Subspecies biedermannii - Osmia ribifloris biedermannii
Subspecies ribifloris - Osmia ribifloris ribifloris
Species taurus - Osmia taurus
No Taxon cornifrons or taurus
Genus Protosmia - Subgenus Chelostomopsis
Species rubifloris - Protosmia rubifloris
No Taxon Hoplitis or Osmia
No Taxon Ashmeadiella or Hoplitis
Family Melittidae - Melittid Bees
Subfamily Melittinae
Tribe Melittini
Genus Melitta
Species eickworti - Deerberry Melitta
Tribe Macropidini
Genus Macropis - Macropis, Yellow Loosestrife Bees
Species nuda - Macropis nuda, Nude Yellow Loosestrife Bee
Subfamily Dasypodainae - Hairy-footed Bees
Tribe Hesperapini
Genus Hesperapis - Hesperapis, Evening Bees
No Taxon Subgenus Carinapis, Carinate Evening Bees
Species oraria - Gulf Coast Evening Bee
No Taxon Resembles fulvipes, Tawny-footed Evening Bee
No Taxon Subgenus Panurgomia, Panurgus-like Evening Bees
Species regularis - Hesperapis regularis, Clarkia Evening Bee
No Taxon Subgenus Xeralictoides, Blazing Star Evening Bees
No Taxon Subgenus Zacesta, Hugelia Evening Bees
Species rufipes - Hesperapis rufipes, Hugelia Evening Bee
No Taxon undescribed species oligolectic on Sphaeralcea
No Taxon unidentified Nests, Nest Sites, and Immatures