Sweat-bee
Guides
Lasioglossum cinctipes
Lasioglossum cinctipes is a species of sweat bee in the family Halictidae, a group of small to medium-sized bees commonly attracted to human perspiration for its salt content. As a member of the genus Lasioglossum—one of the largest bee genera with over 1,700 species—this bee is part of a diverse lineage of ground-nesting solitary to semi-social bees. The species is documented from North America, with records from Vermont and other regions.
Lasioglossum coeruleum
Deep-blue Sweat Bee
Lasioglossum coeruleum is a species of sweat bee in the family Halictidae. It is commonly known as the Deep-blue Sweat Bee. The species was described by Robertson in 1893 and is native to North America.
Lasioglossum coriaceum
Leathery Sweat Bee
Lasioglossum coriaceum, commonly known as the leathery sweat bee, is a species of sweat bee in the family Halictidae. It belongs to one of the largest genera of bees, with over 1,700 described species. Like other Lasioglossum species, it is a ground-nesting bee. The species occurs in North America, with confirmed records from the northeastern United States including Vermont. As a member of Halictidae, it likely exhibits the family's characteristic behavior of visiting flowers for pollen and nectar, and may be attracted to human perspiration for salts and minerals.
Lasioglossum cressonii
Cresson's Sweat Bee
Lasioglossum cressonii is a small, metallic sweat bee native to North America. The species exhibits eusocial colony organization with queens, workers, and reproductive broods. It is an important pollinator of native plants and agricultural crops, including apple trees. First described by Charles Robertson in 1890, this bee nests primarily in soil or wood in low-elevation areas.
Lasioglossum ephialtum
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.
Lasioglossum floridanum
Florida sweat bee
Lasioglossum floridanum is a species of sweat bee in the family Halictidae. It belongs to a large genus of small bees commonly known as sweat bees due to their attraction to human perspiration. The species is native to North America, with records primarily from the United States. Like other members of the genus, it is a ground-nesting bee that contributes to pollination of wild plants and crops.
Lasioglossum hitchensi
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
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.
Lasioglossum imitatum
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
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.
Lasioglossum laevissimum
Very Smooth Sweat Bee
Lasioglossum laevissimum is a small metallic sweat bee in the subgenus Dialictus, one of the most species-rich and taxonomically challenging groups of North American bees. The species was described by Smith in 1853 and has accumulated seven synonymies due to historical difficulties in distinguishing Dialictus species. It occurs in Canada and the northern United States, where it nests in soil and visits flowers for pollen and nectar. Like other Dialictus, it is likely a solitary or weakly social ground-nesting bee with females provisioning individual brood cells.
Lasioglossum leucocomum
Lasioglossum leucocomum is a small metallic sweat bee in the subgenus Dialictus, one of the largest and most taxonomically challenging bee genera in North America. The species was resurrected from synonymy in a 2010 revision of Canadian Dialictus, which recognized it as a valid species distinct from previously confused names. Like other Dialictus, it is a ground-nesting bee with variable social organization, ranging from solitary to small-colony sociality. The species contributes to pollination services in its native range.
Lasioglossum leucozonium
White-banded Sweat Bee
Lasioglossum leucozonium is a solitary, ground-nesting sweat bee in the family Halictidae. Native to the Palearctic, it has been introduced to North America where genetic evidence indicates establishment from a single founder female. The species is now widespread across multiple continents including Europe, Asia, northern Africa, and North America. It produces one generation per year and is a generalist pollinator frequently associated with yellow-flowered Asteraceae.
Lasioglossum lineatulum
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.
Lasioglossum lionotum
smooth-backed sweat bee
Lasioglossum lionotum is a species of sweat bee in the family Halictidae, described by Sandhouse in 1923. Like other members of the genus Lasioglossum, it is a small, ground-nesting bee. The species is known from North America, with confirmed records from Vermont. As with most Lasioglossum species, detailed natural history information specific to L. lionotum is limited.
Lasioglossum lustrans
Two-celled Sweat Bee
Lasioglossum lustrans is a small sweat bee in the family Halictidae, first described by Cockerell in 1897. As a member of the genus Lasioglossum—one of the largest bee genera with over 1,700 species—it belongs to a group frequently encountered in bee surveys and monitoring studies. The species is known from North America and is referred to by the common name 'Two-celled Sweat Bee'. Like other halictids, it is a ground-nesting bee and contributes to pollination services in its habitat.
Lasioglossum macoupinense
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.
Lasioglossum marinum
marine metallic-sweat bee
Lasioglossum marinum is a species of sweat bee in the family Halictidae, commonly known as the marine metallic-sweat bee. It belongs to one of the largest bee genera, with over 1,700 species. Like other members of Lasioglossum, it is likely a ground-nesting solitary or semi-social bee. The specific epithet 'marinum' suggests an association with coastal or saline environments, though detailed ecological studies are limited.
Lasioglossum mellipes
sweat bee
Lasioglossum mellipes is a species of sweat bee in the family Halictidae, first described by Crawford in 1907. It belongs to the largest genus of bees, which comprises over 1,700 species. Like other halictids, it is commonly encountered in bee monitoring studies using bowl traps, though such methods may not accurately represent its true abundance or ecological role.
Lasioglossum mesillense
Lasioglossum mesillense is a 'red-tailed' sweat bee in the subgenus Lasioglossum (Dialictus), originally described from New Mexico in 1898. The species was recently revised in a comprehensive treatment of western Nearctic Dialictus, during which two junior synonyms were newly recognized and a lectotype was designated. As with other members of this large subgenus, it is a small, ground-nesting bee. The specific epithet references Mesilla, New Mexico, the type locality.
Lasioglossum michiganense
Michigan sweat bee
Lasioglossum michiganense is a species of sweat bee in the family Halictidae, first described by Mitchell in 1960. Like other members of the genus Lasioglossum, it is a small bee that may be attracted to human perspiration for the salts and minerals it contains. The species is part of the largest genus of bees, which includes over 1,700 species globally. Specific ecological details for this species remain limited in published literature.
Lasioglossum nelumbonis
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.
Lasioglossum nigroviride
Black-and-green Metallic-Sweat bee, black-and-green dialictus sweat bee
Lasioglossum nigroviride is a small metallic sweat bee in the family Halictidae, placed in the subgenus Dialictus. The species was described by Graenicher in 1911 and is one of numerous metallic Lasioglossum species in North America. Halictus (Chloralictus) richardsoni Cockerell was synonymized with this species in Gibbs's 2010 revision of Canadian Dialictus. Like other members of this large genus, it is a ground-nesting bee with likely solitary or semi-social behavior.
Lasioglossum nymphale
sweat bee
Lasioglossum nymphale is a species of sweat bee in the family Halictidae, first described by Smith in 1853. As a member of the large genus Lasioglossum, it belongs to a group of small, often metallic bees commonly known as sweat bees due to their attraction to human perspiration. The species occurs in North America and shares the general biology of other Lasioglossum species, including ground-nesting behavior and solitary or semi-social nesting habits.
Lasioglossum oblongum
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.
Lasioglossum obscurum
Obscure Sweat Bee
Lasioglossum obscurum is a small solitary bee in the family Halictidae, commonly known as sweat bees. It belongs to the largest genus of bees, which contains over 1,700 species. Like other Lasioglossum species, it is a ground-nesting bee that typically occurs in North American prairie and grassland habitats. The species was described by Robertson in 1892.
Lasioglossum oceanicum
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.
Lasioglossum oenotherae
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.
Lasioglossum olympiae
Olympia Sweat Bee
Lasioglossum olympiae is a species of sweat bee in the family Halictidae. It is a small, ground-nesting bee native to North America. Like other members of the genus Lasioglossum, it is a generalist pollinator that visits a variety of flowering plants. The species is part of the largest genus of bees, which includes over 1,700 species globally.
Lasioglossum ovaliceps
Oval-headed Sweat Bee
Lasioglossum ovaliceps is a species of sweat bee in the family Halictidae, first described by Cockerell in 1898. It is native to North America and belongs to the largest genus of bees, which contains over 1,700 species. Like other members of its genus, it is a small, ground-nesting bee that visits flowers for pollen and nectar.
Lasioglossum pacificum
Pacific Sweat Bee
Lasioglossum pacificum is a small sweat bee in the family Halictidae, one of more than 1,700 species in the genus Lasioglossum. The species was described by Cockerell in 1898 and is native to western North America. Like other halictids, it is a ground-nesting bee that visits flowers for pollen and nectar.
Lasioglossum pectinatum
ground cherry sweat bee
Lasioglossum pectinatum is a species of sweat bee in the family Halictidae, commonly known as the ground cherry sweat bee. It belongs to the largest genus of bees, Lasioglossum, which contains over 1,700 species. Like other halictids, it is a ground-nesting bee and is attracted to human perspiration for the salts and minerals it contains. The species is documented in North America, with records from Vermont.
Lasioglossum pectorale
Rugose-chested Sweat Bee
Lasioglossum pectorale is a small sweat bee in the family Halictidae, first described by Frederick Smith in 1853. It belongs to the enormous genus Lasioglossum, which contains over 1,700 species of halictid bees worldwide. Like other sweat bees, it is attracted to human perspiration for its salt and mineral content. The species is known to visit flowers of prairie clovers and other forbs.
Lasioglossum pectoraloides
Shiny-breasted Sweat Bee
Lasioglossum pectoraloides is a species of sweat bee in the family Halictidae, first described by Cockerell in 1895. It belongs to one of the largest genera of bees, with over 1,700 species. Like other members of its genus, it is a solitary or semi-social ground-nesting bee. The species occurs in North America and Middle America.
Lasioglossum perpunctatum
Densely Punctured Sweat Bee
Lasioglossum perpunctatum is a metallic sweat bee in the subgenus Dialictus, one of the most diverse and commonly collected bee groups in North America. The species was originally described by Ellis in 1913 and has undergone taxonomic revision, with two former species (D. highlandicus and D. junaluskensis) now synonymized with it. Like other Dialictus, it exhibits varied social systems ranging from solitary to eusocial. As a member of the largest bee genus, it contributes to pollination services in its native range.
Lasioglossum petrellum
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.
Lasioglossum pictum
Lasioglossum pictum is a species of sweat bee in the family Halictidae, first described by Crawford in 1902. Like other members of this large genus, it is a ground-nesting bee. The species is documented from North America. As with many Lasioglossum species, detailed natural history information specific to L. pictum is limited in available sources.
Lasioglossum pilosum
sweat bee
Lasioglossum pilosum is a species of sweat bee in the family Halictidae, described by Smith in 1853. It is a generalist pollinator known to visit flowers of diverse plant species and has been documented pollinating commercial fruit crops including apples. The species is native to North America, with confirmed records from the northeastern United States including Vermont. Like other halictid bees, it exhibits the characteristic behavior of lapping human perspiration for salts and minerals. Females possess a sting that has been described as mildly irritating relative to other stinging bees.
Lasioglossum planatum
Flattened Sweat Bee
Lasioglossum planatum is a small sweat bee in the subgenus Dialictus, resurrected from synonymy in a 2010 taxonomic revision of Canadian metallic Lasioglossum. It is one of over 1,700 species in the genus Lasioglossum, the largest genus of bees. Like other Dialictus species, it is a ground-nesting bee with variable social behavior. The species occurs in northeastern North America, with confirmed records from Vermont.
Lasioglossum platyparium
sweat bee
Lasioglossum platyparium is a species of sweat bee in the family Halictidae, described by Robertson in 1895. Like other members of the large genus Lasioglossum, it is a small bee that nests in the soil. The species occurs in North America, with records from Vermont and other regions. As with many Lasioglossum species, detailed natural history information is limited.
Lasioglossum pruinosum
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.
Lasioglossum quebecense
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.
Lasioglossum semicaeruleum
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.
Lasioglossum sisymbrii
Tansy Mustard Sweat Bee
Lasioglossum sisymbrii is a small sweat bee in the family Halictidae, commonly known as the Tansy Mustard Sweat Bee. It belongs to one of the largest bee genera, with over 1,700 species. The species is frequently captured in bowl traps used for bee monitoring, often in large numbers relative to other bee species. It occurs in western North America and has been documented visiting flowers of tansy-mustard (Descurainia spp.) and related plants in the mustard family.
Lasioglossum smilacinae
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.
Lasioglossum subviridatum
sweat bee
Lasioglossum subviridatum is a species of sweat bee in the family Halictidae. Unlike most sweat bees that nest in soil, this species is one of the few known to nest in wood, which shapes its habitat preferences. It belongs to the large genus Lasioglossum, which contains over 1,700 species and is frequently encountered in bee monitoring studies.
Lasioglossum tarponense
sweat bee
Lasioglossum tarponense is a species of sweat bee in the family Halictidae, described by Mitchell in 1960. It belongs to the genus Lasioglossum, the largest genus of bees with over 1,700 species. Like other halictids, it is a ground-nesting bee. Specific details about its biology and ecology remain poorly documented in available literature.
Lasioglossum tegulare
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 texanum
Nocturnal Sweat Bee, Texas Sweat Bee
Lasioglossum texanum is a nocturnal sweat bee (family Halictidae) notable for its unusual foraging behavior. Unlike most bees, it actively collects pollen during evening hours and continues after dark until approximately 10:00 PM when moonlight is available. It is a ground-nesting solitary bee with highly specialized pollen preferences, foraging exclusively from flowers of the four-point evening-primrose (Oenothera rhombipetala).
Lasioglossum timberlakei
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.