Most people can name exactly two bees: the honey bee and “that big fuzzy one.” Michigan actually hosts dozens of distinct bee groups, from metallic green sweat bees no bigger than a grain of rice to carpenter bees that drill perfectly round holes into porch railings. Learning the types of bees in Michigan helps homeowners and gardeners tell harmless pollinators apart from the wasps they’re often confused with, and it explains why a single tomato plant might attract five completely different insects in one afternoon.
This guide walks through 20 bees and bee groups found across the state, covering how they nest, what they pollinate, and how to recognize them without needing a magnifying glass.
| Bee Group | Social Structure | Typical Nest Site | Active Season in Michigan |
|---|---|---|---|
| Honey bees | Highly social (managed hives) | Wooden hive boxes or tree cavities | Year-round colony, foraging spring-fall |
| Bumble bees | Social (annual colony) | Old rodent burrows, grass tussocks | Early spring through first frost |
| Sweat bees | Solitary to semi-social | Bare or sandy soil | Spring through fall |
| Mason and leafcutter bees | Solitary | Hollow stems, wood cavities | Spring (mason) to summer (leafcutter) |
| Carpenter bees | Solitary to loosely social | Bored tunnels in untreated wood | Spring through summer |
| Mining and cellophane bees | Solitary, often gregarious | Ground tunnels in aggregations | Early spring |
1. Honey bees
The honey bee (Apis mellifera) is the species most people picture when they hear the word “bee,” even though it isn’t native to Michigan or anywhere in North America. It arrived with European settlers and now lives almost entirely in managed hives tended by beekeepers rather than in the wild. Honey bees differ from most native bees because many live in managed colonies kept by beekeepers.
A single colony can hold tens of thousands of workers built around one queen, and that scale is exactly why orchard growers in west Michigan rent hives every spring to pollinate cherries and apples. MSU Extension’s pollinator program works directly with beekeepers on colony health, since MSU Extension’s focus on pollinators and pollination brings together educators and researchers who are working with experts around the country to provide the latest information through webinars, seminars, online resources and email newsletters. Readers curious about the differences among managed honey bee strains can compare them in this rundown of honey bee varieties kept across the country.
2. Bumble bees
Bumble bees (genus Bombus) are the round, fuzzy bees that seem to bounce off flowers rather than land gracefully on them. Bumble bees are some of the easiest pollinators to recognize in Michigan, large, fuzzy, and easy to spot as they move between flowers. Unlike honey bees, they build small annual colonies, and they usually nest in the ground, often using old rodent burrows.
Their forte is buzz pollination, a rapid vibration that shakes pollen loose from flowers like tomatoes, peppers, and blueberries that honey bees can’t pollinate as effectively. One common bumblebee found in residential areas is Bombus impatiens, though Bombus affinis has seen population declines in parts of North America, and seeing these bees shows why native plants and habitats matter across Michigan.
Important Note: The rusty patched bumble bee has declined sharply enough that it has declined from an estimated 87% of its historic range in recent years, according to the Xerces Society. If you spot a bumble bee with a small rust-colored patch, report it to the Xerces Society’s rusty patched bumble bee tracking effort rather than treating it as a pest.
Michigan residents worried about declining bumble bee numbers can also compare notes with neighboring states covered in this guide to endangered animals in Michigan.
3. Green sweat bees
Green sweat bees, mostly in the genus Agapostemon, look like tiny jewels flashing between flowers. Their entire body can shine a brilliant metallic green, which makes them easy to spot even though they measure less than half an inch long. They nest in bare or sparsely vegetated soil and forage on a wide range of garden flowers, making them generalist pollinators rather than specialists tied to one crop.
These bees are part of the broader Halictidae family that researchers study across the Midwest, since studies from Michigan State University and the University of Michigan document bee species found across Michigan. Gardeners in states like the ones profiled in this look at types of bees in Illinois will recognize the same green sweat bees, since the genus ranges across most of the eastern United States.
4. Dark sweat bees
Dark sweat bees belong to the genus Lasioglossum, the single largest and most diverse bee genus in North America. Most species are small, dull black or brown, and easy to overlook next to showier bumble bees, but their sheer numbers make them workhorse pollinators in vegetable gardens and wildflower patches alike.
Some Lasioglossum species nest alone, while others form loose social groups sharing a single burrow entrance, a flexibility that lets them thrive in disturbed soil, lawns, and garden beds throughout the growing season. Their range overlaps heavily with populations described in this survey of bees found in Iowa, another Midwestern state with similar soil and climate conditions.
5. Masked bees
Masked bees, genus Hylaeus, are small, slender, and mostly hairless, which sets them apart from the fuzzy stereotype most people associate with bees. Their name comes from the pale yellow or cream markings on the face that look like a mask against otherwise black skin.
Unlike most bees, masked bees don’t carry pollen on external hairs at all. Instead, they swallow pollen and nectar and carry the mixture internally in their crop, regurgitating it once they reach the nest. They typically nest in narrow cavities such as hollow plant stems or old beetle tunnels, a habit shared with masked bee populations documented in coverage of bees in Oregon on the opposite side of the country.
6. Mason bees
Mason bees (genus Osmia) are some of the first pollinators active each year in Michigan, often emerging before apple and cherry trees finish blooming. Native pollinators like mason bees often appear in spring, according to Pest Pros of Michigan, which makes them valuable partners for the state’s fruit orchards even though they’re solitary and don’t produce honey.
Females build nests inside narrow cavities, hollow stems, or nail holes, sealing each egg chamber with a wall of mud they carry in their jaws, which is where the “mason” name comes from. They’re gentle and rarely sting, a trait that has made mason bee houses a popular addition in home gardens across states featured in this guide to bees in Massachusetts.
Pro Tip: A simple bundle of hollow reeds or a drilled wood block set out in early spring can attract mason bees to a yard without any special equipment.
7. Leafcutter bees
Leafcutter bees (genus Megachile) leave a signature calling card: neat, circular notches cut from the edges of rose, redbud, or lilac leaves. Gardeners sometimes mistake this damage for insect pests, but it’s harmless and actually a sign of healthy pollinator activity nearby.
These bees carry pollen on a dense brush of hairs under their abdomen rather than on their legs like honey bees, and they use the leaf pieces they cut to line individual nest cells inside hollow stems or wood cavities. Similar leafcutter activity shows up in this overview of bees found in Kansas, where the genus is equally common in prairie and garden habitats.
8. Squash bees
Squash bees, mainly the species Peponapis pruinosa, are specialists that pollinate almost nothing except squash, pumpkin, and gourd flowers. They time their entire life cycle to the bloom of cucurbit flowers, which open at dawn and close by early afternoon.
Females dig nest burrows directly in the soil near the base of squash and pumpkin plants, sometimes in numbers dense enough to look like a small colony even though each female works her own nest. Home gardeners who grow squash rarely need honey bees for that crop at all, since squash bees usually finish the job before most other pollinators are even active, a pattern also seen among populations covered in this piece on bees in Texas.
9. Ligated furrow bees
The ligated furrow bee, Halictus ligatus, is a sweat bee named for the narrow furrow-like groove near the tip of its abdomen and the pale hair bands, or “ligations,” across its body. It’s a generalist forager that visits a wide range of garden and wildflower species throughout the growing season.
What makes this species interesting is its flexible social structure. In warmer parts of its range it can form small semi-social nests with multiple females sharing one burrow, while in cooler climates like much of Michigan, individual females are more likely to nest alone. Comparable ground-nesting sweat bee activity has been documented among populations described in coverage of bees in Arkansas.
10. Long-horned bees
Long-horned bees, primarily in the genus Melissodes, get their name from the noticeably long antennae on the males, which can stretch nearly the length of their body. Females lack the exaggerated antennae but make up for it with dense pollen-collecting hairs on their hind legs.
These bees show a strong preference for plants in the sunflower and aster family, making them frequent visitors to late-summer wildflower meadows and native plant gardens. Solitary ground nesters, they dig individual burrows rather than sharing communal tunnels, a nesting style also common among long-horned bee populations noted in this review of bees in South Carolina.
11. Small carpenter bees
Small carpenter bees, genus Ceratina, are frequently mistaken for flies because of their tiny size and dark, slightly metallic blue-black coloring. Most measure under a quarter inch, which is a fraction of the size of the large carpenter bees people usually picture.
Rather than boring into solid wood, these bees hollow out the soft pith inside broken plant stems such as raspberry canes, sumac, or elderberry, where a single female may raise several generations across one season. Their small size and dark coloring put them in the same general category as other dark, easily overlooked species covered in this guide to black bee species.
12. Metallic green bees (Augochlorella/Augochlora)
Metallic green bees in the genera Augochlorella and Augochlora shine an even brighter, more uniform green than the related green sweat bees, and they’re small enough that many people assume they’re looking at a fly or beetle rather than a bee. Both genera belong to the sweat bee family and share similar ground-nesting habits.
Some species nest solitarily while others form small communal nests with several females sharing a single entrance tunnel, a behavior that varies even within the same genus depending on local conditions. These bees show up reliably in native plant gardens and along woodland edges, much like the populations documented in this look at bees in Colorado.
13. Carpenter bees
Carpenter bees, genus Xylocopa, are the large black-and-yellow bees people most often confuse with bumble bees. The easiest way to tell them apart is the abdomen: carpenter bees have a shiny, mostly hairless black abdomen, while bumble bees are fuzzy from head to tail.
Key Insight: Male carpenter bees hover aggressively near doorways and eaves defending territory, but they have no stinger at all. Females can sting but rarely do unless directly handled.
These bees bore round, perfectly smooth tunnels into untreated wood such as decks, fascia boards, and eaves to lay their eggs, which can cause cosmetic and occasionally structural damage over several seasons of reuse. Homeowners dealing with similar wood-boring activity often find useful comparisons in this guide to bees found in Ohio.
14. Mining bees
Mining bees, genus Andrena, make up one of the largest bee genera in North America, with dozens of species recorded across Michigan alone. They’re solitary ground nesters, though many species nest in loose aggregations where dozens of individual burrows dot the same patch of bare soil.
Most mining bees emerge early in spring, timed closely with the bloom of willows, maples, and early wildflowers, and their activity tapers off by early summer. Because they nest in the ground rather than in wood or hive boxes, they’re easy to miss unless you happen to notice the small volcano-shaped mounds of soil at each burrow entrance, a pattern also described in coverage of bees in North Carolina.
15. Polyester bees
Polyester bees is the common name for the family Colletidae as a whole, a group that includes both masked bees and cellophane bees. The name comes from a clear, cellophane-like secretion females produce to line the inside of their nest cells, waterproofing them against moisture in the surrounding soil.
This lining is genuinely similar in structure to synthetic polyester, which is an unusual example of an insect producing what functions like a plastic-like material from natural glandular secretions. Anyone trying to tell these species apart in the field can use the Michigan Wild Bee Identification Cards from MSU Extension, since these bee identification cards can help you learn about bees that you might see visiting flowers in your neighborhood.
16. Cellophane bees
Cellophane bees are the genus Colletes specifically, the best-known members of the polyester bee family and among the very earliest bees active each spring in Michigan. Species like the unequal cellophane bee often emerge in large ground-nesting aggregations that can look alarming, with dozens or even hundreds of individual holes packed into a single sunny, sandy patch of lawn.
Despite the intimidating numbers, these aggregations are almost entirely harmless. Each female tends her own burrow and has little interest in defending shared space, so stings are rare even when people walk directly through an active nesting site. Readers who want a broader comparison of ground-nesting species can check this overview of different types of bees.
Common Mistake: Spraying pesticide on a cellophane bee aggregation usually isn’t necessary. The bees disappear on their own within a few weeks once their short spring flight season ends.
17. Brown-belted bumble bee
The brown-belted bumble bee, Bombus griseocollis, gets its name from the tan or brownish band that queens and workers carry across the second segment of their abdomen, distinguishing them from the more uniformly black-and-yellow bumble bees. It’s a generalist forager found in gardens, meadows, and along field edges throughout Michigan.
Compared to some bumble bee species that have seen sharp regional declines, the brown-belted bumble bee has remained relatively stable, making it one of the more dependable bumble bees for home gardeners to spot season after season. Long-term monitoring through projects like the Michigan Bumble Bee Atlas helps track exactly how populations like this one shift over time, since the Michigan Bumble Bee Atlas was developed by the Michigan Natural Features Inventory and Michigan State University Extension to inform a broader understanding of bumble bee biology, diversity, and population trends. Readers can compare notes with bumble bee populations documented in this guide to bees in New York.
18. Common Eastern bumble bee
The common Eastern bumble bee, Bombus impatiens, is by far the most frequently spotted bumble bee across Michigan and much of the eastern United States. Its workers form some of the largest bumble bee colonies of any North American species, sometimes numbering in the several hundreds by late summer.
This abundance and its calm temperament have made it the primary bumble bee species raised commercially for greenhouse pollination, particularly for tomatoes, which don’t release pollen well without the buzz pollination bumble bees provide. Conservation groups tracking bumble bee health nationwide note that more than one quarter, or 28%, of all North American bumble bees are facing some degree of extinction risk, according to the Xerces Society’s bumble bee conservation program, though the common Eastern bumble bee itself remains widespread. Similar population patterns appear in this survey of bees in Kentucky.
19. Western honey bee
The Western honey bee refers to the exact same species covered earlier, Apis mellifera, but the “Western” designation distinguishes it from the Eastern honey bee, Apis cerana, which is native to Asia and doesn’t occur in Michigan or anywhere else in the United States. Every managed hive in the state, and every wild swarm that occasionally escapes one, belongs to this single Western species.
Michigan beekeepers typically raise specific strains within this species, such as Italian or Carniolan honey bees, chosen for traits like gentleness, honey production, or cold hardiness suited to Michigan winters. Extension programs supporting apiculture across the state, including resources from MSU’s Department of Entomology, continue to track colony health as beekeepers manage both commercial and backyard hives.
20. Eastern carpenter bee
The Eastern carpenter bee, Xylocopa virginica, is the specific carpenter bee species responsible for nearly all the wood-boring activity homeowners notice in Michigan. Males have a distinctive pale yellow or white patch on the face, which is the quickest way to confirm you’re looking at this species rather than a bumble bee.
Females reuse the same tunnel entrance year after year, extending galleries deeper into wood each season, which is why old carpenter bee damage tends to concentrate in the same few boards on a deck or barn. Knowing the types of bees in Michigan, including the many bees found in residential areas, helps homeowners make smart decisions instead of reacting out of fear, and that’s especially true for carpenter bees, since the vast majority of the activity people see comes from stingless, territorial males rather than aggressive females. For readers dealing with wood-boring bees, Pest Pros of Michigan’s identification guide offers additional tips on telling carpenter bees apart from the many other species sharing the same yard.
Twenty different bees, from managed honey bee hives to solitary mining bees digging burrows in bare soil, cover an enormous range of size, color, and behavior across a single state. Most of them never sting, rarely damage property, and quietly do the pollination work that keeps Michigan’s gardens, orchards, and wildflower meadows productive every year.