A small metallic sweat bee in the subgenus Dialictus, originally described from the eastern United States. The species was previously known under the synonym Dialictus alternatus until synonymized by Gibbs (2010). Like other members of this large subgenus, it is a ground-nesting bee with likely solitary or weakly social behavior.
sweat bee
Lasioglossum coreopsis is a species of sweat bee in the family Halictidae, first described by Robertson in 1902. As a member of the genus Lasioglossum, it belongs to the largest bee genus with over 1,700 species worldwide. The species is documented from the Caribbean and North America. Like other halictid bees, it likely exhibits solitary or semi-social nesting behavior in soil.
nightmare sweat bee
Lasioglossum ephialtum is a sweat bee in the family Halictidae, described as a new species in 2010 by Jason Gibbs. It belongs to the subgenus Dialictus, a diverse group of small bees commonly collected across North America. The species is known by the common name 'nightmare sweat bee.' As with other Dialictus species, it is likely a pollinator, though specific biological details remain poorly documented.
Hitchens's Sweat Bee
Lasioglossum hitchensi is a species of sweat bee in the family Halictidae, described by Gibbs in 2012. It belongs to the genus Lasioglossum, the largest genus of bees with over 1,700 species. Like other members of this genus, it is likely a small to medium-sized bee with nesting habits typical of ground-nesting halictids. The species is known from limited observations, primarily from Vermont in the northeastern United States.
Lasioglossum imbrex is a small sweat bee species in the family Halictidae, described by Gibbs in 2010. As a member of the genus Lasioglossum, it belongs to the largest bee genus with over 1,700 species globally. The species is found in North America and Hawaii, where it contributes to pollination services in its native habitats. Like other halictid bees, it is likely a ground-nesting solitary or semi-social species.
Bristle Sweat Bee
Lasioglossum imitatum is a species of sweat bee in the family Halictidae, commonly known as the bristle sweat bee. It is a member of the large genus Lasioglossum (subgenus Dialictus), which contains over 1,700 species. The species is known to be parasitized by the social parasite Paralictus asteris, which invades nests and becomes the dominant reproductive in host colonies.
Lasioglossum katherineae is a species of sweat bee in the family Halictidae, described by Gibbs in 2011. It belongs to the subgenus Dialictus within the large genus Lasioglossum, which contains over 1,700 species worldwide. Like other members of this genus, it is a ground-nesting solitary or semi-social bee. The species is known from North America, with confirmed records from Vermont.
Lineated Metallic Sweat Bee
Lasioglossum lineatulum is a metallic sweat bee in the subgenus Dialictus, one of the most commonly collected bee groups in North America. The species was described by Crawford in 1906 and has undergone taxonomic revision, with Halictus (Chloralictus) latus and H. (C.) unicus synonymized under this name. As a member of the largest bee genus, it contributes to the high abundance of Lasioglossum species frequently captured in bee monitoring surveys.
Macoupin County sweat bee
Lasioglossum macoupinense is a small sweat bee in the family Halictidae, commonly known as the Macoupin County sweat bee. It belongs to the largest genus of bees, Lasioglossum, which contains over 1,700 species. Like other members of its genus, it is a ground-nesting bee. The species was first described by Robertson in 1895.
water-lily sweat bee
Lasioglossum nelumbonis is a small sweat bee in the family Halictidae, commonly known as the water-lily sweat bee. It belongs to the largest genus of bees, with over 1,700 species worldwide. Like other members of the genus, it is a ground-nesting bee. The specific epithet 'nelumbonis' suggests an association with water lilies (Nelumbo), though direct ecological documentation is limited.
Oblong Sweat Bee
Lasioglossum oblongum is a species of sweat bee in the family Halictidae. It belongs to the largest genus of bees, Lasioglossum, which contains over 1,700 species. As a member of the subgenus Dialictus, it is one of many small, often metallic bees that are frequently encountered in bee surveys and monitoring efforts. The species is documented from North America, with confirmed records from Vermont.
sweat bee
Lasioglossum oceanicum is a species of sweat bee in the family Halictidae, first described by Cockerell in 1916. Like other members of the genus Lasioglossum, it is a small bee with metallic coloration typical of many halictids. The species belongs to one of the most species-rich bee genera globally, with over 1,700 described species. As with many Lasioglossum species, detailed natural history information for L. oceanicum specifically is limited in available literature.
Evening Primrose Sweat Bee
Lasioglossum oenotherae is a small sweat bee in the family Halictidae, commonly known as the Evening Primrose Sweat Bee. The species is native to North America and has been documented in association with evening primrose (Oenothera) flowers, from which it derives its specific epithet. Like other members of the genus Lasioglossum, it is a ground-nesting bee and contributes to pollination services in its native range.
sweat bee
Lasioglossum petrellum is a species of sweat bee in the family Halictidae, originally described by Cockerell in 1903. It belongs to the subgenus Dialictus, one of the largest and most taxonomically challenging groups within the genus Lasioglossum. Recent integrative taxonomic research using DNA barcoding and morphology has revealed that L. petrellum represents a cryptic species complex, with four new species described from within its former range. The species is native to North America and Middle America.
hoary sweat bee
Lasioglossum pruinosum is a small sweat bee in the family Halictidae, commonly known as the hoary sweat bee. Like other members of the genus Lasioglossum, it is a ground-nesting solitary or semi-social bee. The species is documented in North America and is one of many small halictid bees frequently captured in bowl trap surveys, though specific ecological details for this species remain limited.
Quebec Sweat Bee
Lasioglossum quebecense is a species of sweat bee in the family Halictidae, native to North America. As a member of the genus Lasioglossum—one of the largest bee genera with over 1,700 species—it contributes to pollination services in its native range. The species was first described by Crawford in 1907. Like other sweat bees, it is attracted to human perspiration for moisture and salts.
sweat bee
Lasioglossum semicaeruleum is a small metallic sweat bee in the family Halictidae, subgenus Dialictus. It was described by Cockerell in 1895 and occurs in North America. The species was revised taxonomically in 2010, with two junior synonyms synonymized under it. Like other members of the large genus Lasioglossum, it is a ground-nesting bee and contributes to pollination services in its habitat.
Mayflower Sweat Bee
Lasioglossum smilacinae, commonly known as the Mayflower Sweat Bee, is a species of sweat bee in the family Halictidae. It belongs to the large genus Lasioglossum, which contains over 1,700 species of small bees often referred to as sweat bees due to their attraction to human perspiration. As a member of the subgenus Dialictus, this species exhibits traits typical of that group. The species was first described by Robertson in 1897 and occurs in North America.
Epaulette Metallic Sweat Bee
Lasioglossum tegulare is a small sweat bee in the family Halictidae, commonly known as the epaulette metallic-sweat bee. It belongs to the subgenus Dialictus within the large genus Lasioglossum, which contains over 1,700 species. Like other sweat bees, it has been observed visiting flowers for pollen and nectar. The species is part of the diverse assemblage of native bees that contribute to pollination services in North America.
Lasioglossum timberlakei is a species of sweat bee in the family Halictidae, described by McGinley in 1986. The specific epithet honors P.H. Timberlake, a notable entomologist whose extensive collections contributed significantly to bee taxonomy. As a member of the genus Lasioglossum, it belongs to the largest genus of bees with over 1,700 species worldwide. Very few specific details about this particular species have been documented in the available literature.
Lasioglossum tuolumnense is a species of sweat bee in the family Halictidae, described by Gibbs in 2009. It belongs to the genus Lasioglossum, the largest genus of bees with over 1,700 species. As a halictid bee, it is likely a ground-nesting solitary or semi-social species, though specific details about its biology remain poorly documented.
sweat bee
Lasioglossum viridatum is a small sweat bee in the family Halictidae, described by Lovell in 1905. Like other members of its genus, it is a ground-nesting solitary or semi-social bee. The species is part of the enormous Lasioglossum genus, which contains over 1,700 species globally and is frequently encountered in bee monitoring studies due to its abundance. It has been recorded in North America, with specific observations from Vermont.
Weems's Sweat Bee
Lasioglossum weemsi is a small sweat bee in the subgenus Dialictus, one of the most species-rich groups of bees in North America. Originally described by Mitchell in 1960, this species was subsequently documented as a new record for Canada. Like other members of Dialictus, it belongs to a group noted for diverse social systems ranging from solitary to eusocial behavior. The species is part of the larger genus Lasioglossum, which comprises over 1,700 species globally and represents a significant component of native bee communities.
Sweat bee
Lasioglossum zonulum is a small sweat bee in the family Halictidae, native to Europe and introduced to North America. It belongs to the subgenus Dialictus, one of the most species-rich groups of bees globally. Like other Lasioglossum species, it is a ground-nesting bee that visits flowers for pollen and nectar. The species is notable for being frequently captured in bowl traps used for bee monitoring, a trait common to many small halictid bees.
orange-tipped woodborer
Lithurgopsis apicalis is a solitary woodborer bee in the family Megachilidae, commonly known as the orange-tipped woodborer. Adults are active pollinators that visit flowers of several plant families, particularly Cactaceae, Malvaceae, and Asteraceae. The species nests in the hollow stalks of Agave plants, where females excavate tunnels and provision cells with pollen. It occurs across the southwestern United States and Mexico.
Barrel Cactus Woodborer
Lithurgopsis echinocacti is a species of woodborer bee in the family Megachilidae, originally described as Lithurgus echinocacti by Cockerell in 1898. The species is commonly known as the Barrel Cactus Woodborer. It belongs to a genus of bees that specialize in boring into wood or plant stems for nesting, with this species showing particular association with cacti. The genus Lithurgopsis is distinguished from the related Lithurgus by morphological characteristics and geographic distribution patterns.
Lithurgopsis littoralis is a species of bee in the family Megachilidae, described by Cockerell in 1917. It belongs to the subfamily Lithurginae, a group of bees commonly known as mason bees or resin bees. The species is recorded from Middle America and North America.
barrel cactus macrotera, barrel cactus goblin bee
Macrotera echinocacti is a small solitary bee in the family Andrenidae, commonly known as the barrel cactus goblin bee. The species was described by Timberlake in 1954 under the basionym Perdita echinocacti. It is known from Central America and North America, with extremely limited observational records.
western morning long-horned bee, Western Morning-Longhorn
Martinapis occidentalis is a long-horned bee in the family Apidae, first described in 1976. It is one of the few species in the small genus Martinapis, which belongs to the tribe Eucerini. The species is known from limited observations and appears to have a restricted distribution in western North America and adjacent regions of Central America. Like other long-horned bees, males are characterized by exceptionally long antennae.
Melecta pacifica is a large, solitary bee species in the family Apidae. It is a cleptoparasite (cuckoo bee) that exploits the nests of digger bees, specifically Anthophora pacifica. The species occurs in North America and includes three recognized subspecies. Females enter host burrows to lay eggs, and their larvae consume the pollen and nectar provisions intended for the host's offspring.
Two-spotted Longhorn Bee, two-spotted longhorn
Melissodes bimaculatus, commonly known as the two-spotted longhorn bee, is a solitary bee species in the family Apidae. It is a member of the long-horned bee tribe Eucerini, characterized by males having exceptionally long antennae. The species is native to North America and has been documented as an early-season pollinator in agricultural settings, particularly in pumpkin patches. It is one of the bee species used in mark-recapture studies to evaluate wild bee sampling protocols.
Common Long-Horned Bee
Melissodes communis communis is a subspecies of long-horned bee in the family Apidae. Males of this group are characterized by elongated antennae, a trait reflected in the common name. The subspecies occurs in North and Middle America. Like other members of the genus Melissodes, it is a solitary bee that visits flowers for pollen and nectar collection. The specific subspecies designation indicates geographic variation within the broader M. communis species complex.
long-horned bee
Melissodes dentiventris is a species of long-horned bee in the family Apidae, native to North America. Like other members of the genus Melissodes, males possess elongated antennae that give the group its common name. The species is a solitary ground-nesting bee and contributes to pollination of native flora. Specific ecological details for M. dentiventris remain limited in published literature, with most behavioral observations documented for congeners such as M. agilis.
Melissodes pallidisignatus is a long-horned bee species in the family Apidae, native to North and Central America. Like other members of the genus Melissodes, it is a solitary ground-nesting bee. The species is part of a diverse genus of approximately 130 species of medium to large bees commonly known as long-horned bees due to the elongated antennae of males. It contributes to pollination in its native range, though specific ecological studies on this species are limited compared to better-known congeners such as Melissodes agilis.
long-horned bee
Melissodes stearnsi is a species of long-horned bee in the family Apidae, described by Cockerell in 1905. Like other members of the genus Melissodes, it belongs to the tribe Eucerini, a group of solitary, ground-nesting bees. The species is found in North America. Available information about this species specifically is limited, with most detailed behavioral and ecological knowledge coming from better-studied congeners such as Melissodes agilis.
Tepanec Long-horned Bee
Melissodes tepaneca is a species of long-horned bee in the family Apidae. It is distributed across Central America and North America. The species belongs to a genus characterized by males with notably elongated antennae. Like other Melissodes species, it is a solitary ground-nesting bee that contributes to pollination of native flora.
Dark-faced Longhorn Bee
Melissodes tristis is a long-horned bee species in the family Apidae, tribe Eucerini. It is commonly known as the Dark-faced Longhorn Bee. The species occurs in North America and Central America. Like other Melissodes species, it is a solitary bee with males typically exhibiting elongated antennae.
Otomi Longhorn
Melissoptila otomita is a species of longhorn bee in the family Apidae, tribe Eucerini. Commonly known as the Otomi Longhorn, this bee belongs to a genus characterized by males with exceptionally long antennae. The species occurs across much of the Americas, from North America through Middle America to South America. As a member of the Eucerini, it is a solitary bee that likely nests in the ground and visits flowers for pollen and nectar.
Margined Turret Bee
Melitoma marginella is a species of chimney bee (also called turret bee) in the family Apidae. It is native to Central America and North America. The common name "Margined Turret Bee" refers to the distinctive nest architecture this species constructs.
Deerberry Blunt-Horn, deerberry melitta
Melitta eickworti is a species of melittid bee in the family Melittidae, commonly known as the Deerberry Blunt-Horn or deerberry melitta. It was described by Snelling & Stage in 1995. The species is found in North America and belongs to a specialized group of bees that are oligolectic, meaning they collect pollen from a narrow range of host plants. Based on its placement in the genus Melitta, it is likely associated with specific floral resources, though detailed ecological studies remain limited.
Mesoplia dugesi is a species of bee in the family Apidae, tribe Ericrocidini. It was described by Cockerell in 1917. The species has a restricted distribution in the southwestern United States and Mexico, with confirmed records from Arizona and adjacent Mexican states. As a member of the cleptoparasitic tribe Ericrocidini, it is presumed to exhibit nest parasitism behavior targeting other bee species, though specific host associations remain undocumented.
Arizona mexalictus
Mexalictus arizonensis, commonly known as the Arizona mexalictus, is a species of sweat bee in the family Halictidae. It is a small, solitary bee endemic to the southwestern United States. The species was described by Eickwort in 1978 and is one of the few members of the genus Mexalictus, a group of bees restricted to North America. Like other halictids, it is likely a generalist pollinator, though specific ecological details remain poorly documented.
Cuneate Nomad Bee
Nomada cuneata is a kleptoparasitic bee species in the family Apidae, native to North America. As a member of the genus Nomada, it exhibits the characteristic cuckoo bee behavior of laying eggs in the nests of host bee species rather than constructing its own nests or provisioning young. The species is recorded from Vermont and other parts of North America. Like other Nomada species, it likely targets specific host bees, though detailed host associations for this particular species remain poorly documented.
blue calamintha bee
Osmia calaminthae is a rare mason bee endemic to a restricted area of Florida scrub habitat. The species was described in 2011 and is known from only eleven sites concentrated in the southern Lake Wales Ridge and Ocala National Forest. It exhibits striking blue coloration and shows extreme host specialization, depending primarily on two mint-family plants for pollen. The species is considered Critically Imperiled due to its extremely limited range, specific habitat requirements, and ongoing threats from development and pesticide exposure. It was rediscovered in March 2020 after concerns about its continued existence.
Georgia Mason Bee
Osmia georgica is a solitary bee species in the family Megachilidae, commonly known as the Georgia Mason Bee. It is found across North America and Central America. As a member of the genus Osmia, it is a mason bee that constructs nests using mud or other materials. The species was described by Ezra Townsend Cresson in 1878.
Osmia rawlinsi is a species of solitary mason bee in the family Megachilidae. It was described by Sandhouse in 1939 and is native to North America. Like other members of the genus Osmia, it is a cavity-nesting bee that uses mud to construct and seal its nest cells. The species is poorly documented in scientific literature, with limited information available regarding its ecology, distribution, and conservation status.
Osmia ribifloris biedermannii is a subspecies of mason bee in the family Megachilidae. The parent species O. ribifloris has been developed as a commercially managed pollinator of highbush blueberry. As a member of the genus Osmia, it exhibits solitary nesting behavior in pre-existing cavities and provisions brood cells with pollen. This subspecies was described by Michener in 1936.
Paranomada is a genus of cleptoparasitic cuckoo bees in the family Apidae, tribe Brachynomadini. The genus contains three described species, all endemic to western North America. As cleptoparasites, these bees do not construct their own nests or provision their own young, but instead lay eggs in the nests of host bees.
Black-velvet Flat-Nomad
Paranomada velutina is a cuckoo bee in the family Apidae, described by Linsley in 1939. It belongs to the subfamily Nomadinae, a group of bees that are cleptoparasites (nest parasites) of other bees. The species is known from the southwestern United States and Mexico. Like other nomadine bees, it lacks pollen-collecting structures and relies on host bees to provision its young.