Bee Species | Food/host plants | Habitat | Flight Season | Threats |
Andrena braccata | Solidago specialist (has been collected on other Asteraceae) | open deep sandy soils/dunes, meadows, pollinator plantings | August-October | Habitat loss from development, herbicides killing host plant |
Andrena nida | Salix (Willow) specialist | hardwood forest, wetlands, Wet areas with willow | Spring | Loss of host plant/draining of wetlands |
Andrena rehni | Specialist on Castanea; Castanea dentata (American chestnut) and C. pumila (chinquapin) | Forest edges and openings where chinquapin can bloom along with American chestnut backcross orchards and plantings | May-July | Loss of chestnuts from chestnut blight |
Andrena uvulariae | Bellwort (Uvularia) specialist, U. sessilifolia | Woodlands and forests with Uvularia populations (can be scattered), forest edges | Spring | invasive species |
Epeoloides pilosulus | Host species collect pollen and oils from native Lysimachia; Lactuca pulchella (DL) | This species is found in prairies, fields, and wetlands | June-July | Loss of habitat due to development, agriculture, invasive species and utility corridors |
Lasioglossum marinum | range of herbaceous plants; Bidens, Helianthus and Parthenocissus, Alternanthera floridana | Only in dunes and open sandy beaches adjacent to salt water including urban areas | April-October | Habitat loss, sea level rise |
Macropis ciliata | Collect oils from Lysimachia. Specialist on Lysimachia, but nectars on Apocynum, Houstonia, Hydrangea, Rhus glabra, Melilotus officinalis, Ceanothus americanus | Open area with loosestrife usually wetlands or shrubby areas | May-August | Loss of habitat (host plant) |
Macropis patellata | Lysimachia specialist (L. ciliata) | variety of wetland habitats with native Lysimachia | June-August | Loss of specialist host plant from development, climate change |
Melissodes apicatus | Pickerelweed specialist (Pontedaria cordata) | Extensive Pontedaria cordata beds in freshwater tidal areas | March-July | Loss of pickerelweed beds |
Melitta melittoides | Specialist on Lyonia (has only records for Lyonia ligustrina and not other species) | Scrub, transitional habitats, edges of wetlands where Lyonia occurs | May-September | Reduction of host plant |
Osmia felti | Ribes missouriense (DL), Rubus, Vaccinium angustifolium, Viola sagittata, Sericocarpus linifolius, (iNat) | Associated with sandy barrens | June-August | Habitat loss, Fire suppression, competition and pathogens from non-native bees |
Protandrena aestivalis | Late season Asteraceae; Asteraceae: Astereae: Chrysopsis (Nutt.) Elliott, Erigeron L., Solidago L., Symphyotrichum Nees | Likely associated with sandy open fields. Summer Miner Bee has been observed near managed grasslands and floodplain forest habitat types, but has also been observed in shrublands | Late summer to fall |
|
Andrena canadensis | Aster and Solidago | Sandy areas | August-September | Habitat and host plant loss |
Andrena nigrae | Salix (willow) pollen specialist, might use other plants for nectar | old field, cropland, orchard, wetland, Wetlands and cultural landscapes with willow | May | Habitat/host plant loss |
Andrena parnassiae | Parnassia caroliniana, Parnassia glauca, other Parnassia? | conifer forest, mixed forest, hardwood forest, wetlands, bogs/fens, seeps | August-October | Habitat loss, hydrological alteration that disrupts wetlands, climate change, invasion by exotic plants, water pollution, pathogens, insecticides, herbicides, off-road vehicles, mowing of roadside host plants |
Andrena persimulata | Dogwood specialist, also collected on Viburnum, subgenus Swida | Wet Meadow/Shrub Swamp, forest, open habitat | May-July | Habitat loss and degradation, invasive plants and pathogens, pesticides, climate change |
Anthophora walshii | yellow wild indigo (Baptisia tinctoria), orange milkweed (Asclepias tuberosa) and goldenrods (Solidago spp.), and more | open coastal habitats on sandy soil where yellow wild indigo (Baptisia tinctoria) is relatively abundant. Habitats include sandplain grasslands and similar anthropogenic habitats such as utility rights-of-way and fire breaks. | July-September | habitat loss, fire suppression, introduced pathogens, aerial insecticide spraying, non-target herbicide application, excessive deer browse of host plants, and off-road vehicles |
Colletes banksi | Ilex (holly) specialist | areas of shrubby Ilex; sandy or wetland | April-July | Loss of host plant; rare species and much is unknown |
Colletes solidaginis | Solidago (goldenrod) specialist | Open landscapes containing Solidago populations, possibly restricted to sandy areas, coastal areas | July-September | Habitat and host plant loss |
Dianthidium simile | Symphyotrichum, Solidago | Sandy areas, lakeshores, coastal | July-September | Habitat and host plant loss |
Dufourea monardae | Monarda (bee balm) specialist; sometimes others, M. fistulosa, Cichorium intybus, Amorpha canescens, Nepeta cataria, Fagopyrum esculentum
| Shrublands, Wet Meadow/Shrub Swamp, Mixed Northern Hardwoods, Floodplain Forest/Freshwater Marsh, Old Field/Managed Grasslands | July and August | Loss of host plant, habitat loss and degradation, invasive plants, pathogens, pesticides, climate change |
Epeolus canadensis | Rudbeckia hirta (DL) | Forest edges, meadows, disturbed sandy areas | Summer | unknown, but regionally rare |
Habropoda laboriosa | Cercis L., Lupinus L., Vaccinium L. | deep well-drained sandy soils where Vaccinium blooms | March-May | Habitat loss, reduction in blueberries from forestry production |
Hylaeus saniculae | Generalist: Aralia hispida, Amorpha fruticosa, Cicuta maculata, Crataegus crus-galli, Cryptotaenia canadensis, Eulophus americanus, Heracleum lanatum, Polygonum scandens, Sanicula canadensis, Sanicula marilandica, Taenldia integerrima and Thaspium trifoliatum (DL) | open areas | June-August | Unknown but the species is very rare |
Lasioglossum georgeickworti | Baptisia, Lindernia, not totally clear | Coastal beach, maritime dune and grassland, some interior sand | all seasons | Erosion of coastal dunes. |
Macropis nuda | Lysimachia ciliata specialist; also other Lysimachia Apocynum, Lactuca pulchella | Intact wetland habitat where native loosestrifes occur is critical foraging habitat for this species. M. nuda is known from prairie fens, wet-mesic prairies, ephemeral wetlands, ditches, and along waterways | June-September | Climate change, land use change, invasive plant species, pesticides |
Melitta americana | Vaccinium specialist | Cranberry bogs and other boggy habitats; nests in sandy/loose soils, sandhill | April-July | Important pollinators of cranberry/blueberry so vulnerable to pesticides |
Nomada electa | Host is Solidago specialist | Same as Andrena braccata, potentially deep sandy soils | August-October | Threats to host species |
Osmia lignaria | Wide range of herbaceous and woody plants; Cercis, Fragaria, Geranium, Lupinus, Malus, Prunus, Rubus, Salix, Vicia and Viola (DL) | This species is found in many habitat types, including orchards and gardens, is a generalist floral visitor. Woodlands, edges, gardens, and nearby open areas | March-June | Pesticides, fungicides, pathogens, climate change, introduced species |
Osmia proxima | Round-leaf orchid (Galearis rotundifolia) and Houstonia, Pentstemon, Rubus and Trifolium. | unknown? Mixed forest? | May-September |
|
Perdita novaeangliae | Lyonia | Brushy areas with Lyonia shrubs, wet areas | Early summer | Loss of host plant |
Ptilothrix bombiformis | Hibiscus specialist; also morning glory (Ipomoea) | Freshwater wetland edges with native Hibiscus growing as well as plantings of Hibiscus species in suburban and urban areas | June-August | Altering hydrology and wetland forage plants |
