85 Types of Bees in Connecticut
Connecticut hosts a surprising variety of bees, from fuzzy bumblebees to tiny sweat bees. Start your identification efforts in sunny gardens and meadows where bees are most active. Focus on body size, hair patterns, and color bands to tell species apart.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 6, 2026.
- 5
- species recorded
- July, August, June
- 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.
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
30,681 verified observations on iNaturalist of bee have been recorded in Connecticut, most often in July, August, June.
Connecticut hosts a surprising variety of bees, from fuzzy bumblebees to tiny sweat bees. Start your identification efforts in sunny gardens and meadows where bees are most active. Focus on body size, hair patterns, and color bands to tell species apart.
What are the most common bee species in Connecticut?
The most common bees you'll encounter in Connecticut include bumblebees (Bombus), honey bees (Apis mellifera), carpenter bees (Xylocopa), and sweat bees (Halictidae). Each has distinct traits. Bumblebees are large and fuzzy, honey bees are slender with amber bands, carpenter bees look similar but have a shiny black abdomen, and sweat bees are small and metallic.
Where do bees typically appear in Connecticut?
Bees are most often seen in areas with abundant flowers. Look for them in home gardens, public parks, along roadsides, and in meadows. Some species prefer open fields, while others such as carpenter bees are drawn to wooden structures like fences and decks. The coastal areas and the Litchfield Hills also support diverse bee populations.
When is the best time to spot bees in Connecticut?
Bees are active from early spring (March) through late fall (October), with peak activity in mid-summer (June to August). Early morning and late afternoon are often the best times to observe them, as many bees are less active in the heat of midday. On cool mornings, look for bumblebees warming up on flowers.
See ourstate animal guidefor the next step.
How can you tell bumblebees from carpenter bees?
Bumblebees and carpenter bees are often confused because of their similar size. Check the abdomen: bumblebees have fuzzy abdomens with yellow and black bands, while carpenter bees have a shiny, black, hairless abdomen. Also, carpenter bees have a distinctive white spot on their face (males) and are more likely to be seen around wooden structures.
What field marks help identify sweat bees and mining bees?
Sweat bees are small, often metallic green or bronze, and are attracted to human sweat. They nest in the ground. Mining bees (Andrena) are similar in size but have a furry face and distinct bands of hair on their abdomen. Examining the face and leg hair under bright light helps separate these groups. For a comprehensive bee identification guide, visit ourbee page.
What are some good spots for bee watching in Connecticut?
Great places to see bees include theWhite Memorial Conservation Center,Pleasant Valley Preserve, and theConnecticut Botanical Society's native plant gardens. Local group gardens and even your own backyard can be productive. Check out ourBees in Connecticutpage for more location tips.
What tools can help you plan your bee observations?
Use this travel widget to find bee-friendly spots near you:
What bee-themed items can support your interest?
If you want to show your appreciation for bees, consider these items:
Honey Bee in Flight Women's T-Shirt
The noble honey bee flying up to a flower reminds us how valuable they are to our ecosystem. Protect THE Bees! This exclusive design is printed on a polyester, fitted, crew neck, short sleeve t-shirt.Check Price and Availability
Honey Bee Tumbler Wrap Laser Svg 20oz
A laser-engraved tumbler wrap with honeycomb and floral designs, perfect for bee fans.Check Price and Availability
Custom Embroidery Bee Baseball Cap
A custom embroidered bee baseball cap, a subtle way to show your appreciation for bees.Check Price and Availability
Browse our wildlifestickersfor more bee-themed designs.
Frequently asked questions about bees in Connecticut
**Are there honey bees in Connecticut?** Yes, honey bees are present throughout Connecticut, both in managed hives and feral colonies. They are most common in agricultural areas and suburban gardens.
**What is the largest bee in Connecticut?** The carpenter bee (Xylocopa virginica) is the largest, reaching up to 1 inch in length. Bumblebees are also large, but carpenter bees are slightly bigger.
**Do bees sting in Connecticut?** Most bees can sting but are not aggressive. Honey bees and bumblebees will sting only if threatened. Sweat bees may sting if handled, but it's mild.
**How can I attract bees to my garden?** Plant native flowers, provide a water source, and avoid pesticides. Bees are particularly drawn to purple, blue, and yellow flowers.
See ourtour planning ideasfor the next step.
Frequently asked questions
What are the most common bee species in Connecticut?+
The most common bees you'll encounter in Connecticut include bumblebees (Bombus), honey bees (Apis mellifera), carpenter bees (Xylocopa), and sweat bees (Halictidae). Each has distinct traits. Bumblebees are large and fuzzy, honey bees are slender with amber bands, carpenter bees look similar but have a shiny black abdomen, and sweat bees are small and metallic.
Where do bees typically appear in Connecticut?+
Bees are most often seen in areas with abundant flowers. Look for them in home gardens, public parks, along roadsides, and in meadows. Some species prefer open fields, while others such as carpenter bees are drawn to wooden structures like fences and decks. The coastal areas and the Litchfield Hills also support diverse bee populations.
When is the best time to spot bees in Connecticut?+
Bees are active from early spring (March) through late fall (October), with peak activity in mid-summer (June to August). Early morning and late afternoon are often the best times to observe them, as many bees are less active in the heat of midday. On cool mornings, look for bumblebees warming up on flowers. See ourstate animal guidefor the next step.
How can you tell bumblebees from carpenter bees?+
Bumblebees and carpenter bees are often confused because of their similar size. Check the abdomen: bumblebees have fuzzy abdomens with yellow and black bands, while carpenter bees have a shiny, black, hairless abdomen. Also, carpenter bees have a distinctive white spot on their face (males) and are more likely to be seen around wooden structures.
What field marks help identify sweat bees and mining bees?+
Sweat bees are small, often metallic green or bronze, and are attracted to human sweat. They nest in the ground. Mining bees (Andrena) are similar in size but have a furry face and distinct bands of hair on their abdomen. Examining the face and leg hair under bright light helps separate these groups. For a comprehensive bee identification guide, visit ourbee page.
What are some good spots for bee watching in Connecticut?+
Great places to see bees include theWhite Memorial Conservation Center,Pleasant Valley Preserve, and theConnecticut Botanical Society's native plant gardens. Local group gardens and even your own backyard can be productive. Check out ourBees in Connecticutpage for more location tips.
What tools can help you plan your bee observations?+
Use this travel widget to find bee-friendly spots near you:
What bee-themed items can support your interest?+
If you want to show your appreciation for bees, consider these items: ### Honey Bee in Flight Women's T-Shirt The noble honey bee flying up to a flower reminds us how valuable they are to our ecosystem. Protect THE Bees! This exclusive design is printed on a polyester, fitted, crew neck, short sleeve t-shirt.Check Price and Availability ### Honey Bee Tumbler Wrap Laser Svg 20oz A laser-engraved tumbler wrap with honeycomb and floral designs, perfect for bee fans.Check Price and Availability ### Custom Embroidery Bee Baseball Cap A custom embroidered bee baseball cap, a subtle way to show your appreciation for bees.Check Price and Availability Browse our wildlifestickersfor more bee-themed designs.
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