Bees in Connecticut: identification guide and best places to start
Yes, bees are common and essential residents throughout Connecticut, from the coastal gardens to the inland forests. Identifying them requires looking for their size, color patterns, and nesting habits. They are vital pollinators for the state's agriculture and natural landscapes and are most active from spring through fall.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 30, 2026.
Western Honey Bee 路 Violet T. CC BY
Common Eastern Bumble Bee 路 Jim Arrigoni CC BY
Eastern Carpenter Bee 路 Rochelle Davis CC BY
- 8
- species recorded
- 0
- GBIF records
- July, June, August
- peak months
Verified species, source iNaturalist
85 types of bees recorded in Connecticut
85 bee species have a verified observation record in Connecticut across bees (clade Anthophila), each with at least 10 confirmed sightings. The 50 most frequently recorded are shown below.
8 of the 50 shown are recorded as introduced to Connecticut rather than native.
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Also recorded in Connecticut
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | Wilke's Mining BeeIntroducedAndrena wilkella | Andrena wilkella | 152 |
| 14 | Hairy-banded Mining BeeAndrena hirticincta | Andrena hirticincta | 152 |
| 15 | Rufous-backed Cellophane BeeColletes thoracicus | Colletes thoracicus | 141 |
| 16 | Spurred CeratinaCeratina calcarata | Ceratina calcarata | 130 |
| 17 | Modest Masked BeeHylaeus modestus | Hylaeus modestus | 122 |
| 18 | Northeastern Sweat BeeAugochloropsis viridula | Augochloropsis viridula | 112 |
| 19 | Cloudy-winged Mining BeeAndrena nubecula | Andrena nubecula | 110 |
| 20 | Golden Sweat BeeAugochlorella aurata | Augochlorella aurata | 108 |
| 21 | Two-spotted Longhorn BeeMelissodes bimaculatus | Melissodes bimaculatus | 105 |
| 22 | Dark-veined Longhorn BeeMelissodes trinodis | Melissodes trinodis | 103 |
| 23 | Black-and-yellow Nomad BeeNomada luteoloides | Nomada luteoloides | 99 |
| 24 | Flat-tailed Leafcutter BeeMegachile mendica | Megachile mendica | 94 |
| 25 | Oblong Woolcarder BeeIntroducedAnthidium oblongatum | Anthidium oblongatum | 91 |
| 26 | Neighborly Mining BeeAndrena vicina | Andrena vicina | 88 |
| 27 | Sculptured Resin BeeIntroducedMegachile sculpturalis | Megachile sculpturalis | 78 |
| 28 | Half-black Bumble BeeBombus vagans | Bombus vagans | 75 |
| 29 | Silky Striped Sweat BeeAgapostemon sericeus | Agapostemon sericeus | 72 |
| 30 | Orange-legged Furrow BeeHalictus rubicundus | Halictus rubicundus | 71 |
| 31 | Carlin's Mining BeeAndrena carlini | Andrena carlini | 65 |
| 32 | Golden Northern Bumble BeeBombus fervidus | Bombus fervidus | 64 |
| 33 | Hawthorn Mining BeeAndrena crataegi | Andrena crataegi | 60 |
| 34 | Orange-tipped Wood-diggerAnthophora terminalis | Anthophora terminalis | 57 |
| 35 | Spotted Nomad BeeNomada maculata | Nomada maculata | 57 |
| 36 | Pruinose Squash BeeXenoglossa pruinosa | Xenoglossa pruinosa | 57 |
| 37 | Alfalfa Leafcutter BeeIntroducedMegachile rotundata | Megachile rotundata | 56 |
| 38 | Milwaukee Mining BeeAndrena milwaukeensis | Andrena milwaukeensis | 55 |
| 39 | Leathery Sweat BeeLasioglossum coriaceum | Lasioglossum coriaceum | 55 |
| 40 | Horn-faced Mason BeeIntroducedOsmia cornifrons | Osmia cornifrons | 54 |
| 41 | Bufflehead Mason BeeOsmia bucephala | Osmia bucephala | 49 |
| 42 | Louisiana Painted-Dark beeStelis louisae | Stelis louisae | 49 |
| 43 | Denticulate Longhorn BeeMelissodes denticulatus | Melissodes denticulatus | 49 |
| 44 | Cherry Mining BeeAndrena pruni | Andrena pruni | 46 |
| 45 | Dark-winged Sweat BeeLasioglossum fuscipenne | Lasioglossum fuscipenne | 45 |
| 46 | Taurus Mason BeeIntroducedOsmia taurus | Osmia taurus | 45 |
| 47 | Rugose-chested Sweat BeeLasioglossum pectorale | Lasioglossum pectorale | 43 |
| 48 | Bellflower Resin BeeMegachile campanulae | Megachile campanulae | 40 |
| 49 | Frigid Mining BeeAndrena frigida | Andrena frigida | 39 |
| 50 | Yellowish Cuckoo Bumble beeBombus flavidus | Bombus flavidus | 39 |
Plus 35 more established bees species beyond the top 50. And 146 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations. Photos by iNaturalist observers, reused under the licence each observer chose.
Real sighting data, source iNaturalist
30,938 verified observations on iNaturalist of bee have been recorded in Connecticut, most often in July, June, August.
When bee are recorded in Connecticut
Yes, bees are common and essential residents throughout Connecticut, from the coastal gardens to the inland forests. Identifying them requires looking for their size, color patterns, and nesting habits. They are vital pollinators for the state's agriculture and natural landscapes and are most active from spring through fall.
1. Bartlett Arboretum & Gardens
The Bartlett Arboretum in Stamford is an excellent place to see a variety of bees on a wide range of native and exotic plants. The arboretum's diverse gardens and meadows provide ideal habitats for both social and solitary bees. It is a premier spot for learning about the importance of pollinators in Connecticut.
2. Elizabeth Park
Elizabeth Park in Hartford, famous for its rose gardens, is a hotspot for bee activity during the summer months. The abundance of flowers attracts large numbers of honey bees and bumble bees. The park's formal gardens and surrounding parkland offer many opportunities for close-up observation.
3. Connecticut College Arboretum
The Connecticut College Arboretum in New London features native plant collections that are specifically designed to support local wildlife, including bees. The arboretum's diverse habitats, from wetlands to upland forests, host a wide array of bee species throughout the growing season.
4. White Memorial Conservation Center
The White Memorial Conservation Center in Litchfield offers thousands of acres of protected land with diverse habitats that are ideal for bees. The center's wildflower meadows and forest edges are especially productive for seeing bumble bees, carpenter bees, and various solitary species.
5. Beardsley Zoo
The Beardsley Zoo in Bridgeport features pollinator gardens that are designed to attract and support local bees and butterflies. It is a great place for families to see bees in a managed garden setting and learn about their role in the environment. The zoo's educational programs often focus on pollinator conservation.
How to plan a realistic Connecticut bee trip
A good Connecticut bee plan involves visiting flowering gardens and meadows on warm, sunny days. Bees are most active from mid-morning through mid-afternoon when temperatures are highest. Be sure to bring a camera and a field guide for identification. Use theConnecticut wildlife hubfor more location ideas.
What are the most common bees in Connecticut?
The common eastern bumble bee and the honey bee are the most frequently seen species. You will also commonly encounter the eastern carpenter bee, various sweat bees, and the mason bee. Each species has unique nesting habits and flower preferences. For more identification tips, see ourbee guide.
Bee-themed gifts for garden enthusiasts
If you love the buzz of bees in your garden, you might enjoy these themed items for your home or as a gift.
Mason Bee Nesting House []() A great way to support local pollinators in Connecticut. This nesting house provides a safe home for gentle mason bees. Check Price and Availability
When is the peak season for bees in Connecticut?
Late spring and summer are the peak times for bee activity in Connecticut, as this is when the most flowers are in bloom. Some species like mason bees emerge early in April, while others like bumble bees remain active through the fall. Sunny, calm days with little wind are the best for observation.
Are bees in Connecticut in danger?
Many bee species are facing challenges due to habitat loss and pesticide use. The rusty-patched bumble bee, once common in the region, is now a federally endangered species. Supporting native plants and creating bee-friendly habitats in your yard are excellent ways to help Connecticut's bees thrive.
How can I attract more bees to my Connecticut garden?
Planting a variety of native flowers that bloom at different times throughout the season is the best way to attract bees. Providing safe nesting sites like bee houses or leaving some areas of bare ground can also help. Avoiding the use of chemical pesticides is crucial for creating a healthy environment for pollinators.
Plan your trip
Best time to see bee in Connecticut: July, June, August
See the month-by-month sighting calendar.
Plan your bee sighting in Connecticut
There are no verified bee records for Connecticut, which fits how uncommon they are here. See the GBIF records.
Where to look in Connecticut
- Appalachian National Scenic Trail 路 Wildlife Watching, Birdwatching 路 Find hotels
- Coltsville National Historical Park 路 Find hotels
- New England National Scenic Trail 路 Find hotels
- Washington-Rochambeau Revolutionary Route National Historic Trail 路 Find hotels
- Weir Farm National Historical Park 路 Find hotels
Frequently asked questions
What bee species live in Connecticut?+
The common eastern bumble bee and the honey bee are the most frequently seen species. You will also commonly encounter the eastern carpenter bee, various sweat bees, and the mason bee. Each species has unique nesting habits and flower preferences. For more identification tips, see ourbee guide.
Where can you see bees in Connecticut?+
The common eastern bumble bee and the honey bee are the most frequently seen species. You will also commonly encounter the eastern carpenter bee, various sweat bees, and the mason bee. Each species has unique nesting habits and flower preferences. For more identification tips, see ourbee guide.
When is the best time to see bees in Connecticut?+
The common eastern bumble bee and the honey bee are the most frequently seen species. You will also commonly encounter the eastern carpenter bee, various sweat bees, and the mason bee. Each species has unique nesting habits and flower preferences. For more identification tips, see ourbee guide.