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.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 6, 2026.

Peak season right now
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.

  • Common Eastern Bumble Bee (Bombus impatiens), a species recorded in Connecticut1

    Common Eastern Bumble Bee

    Bombus impatiens

    6,287 recordsNative

    Public domain CC0

    Wikipedia
  • Western Honey Bee (Apis mellifera), a species recorded in Connecticut2

    Western Honey Bee

    Apis mellifera

    2,893 recordsIntroduced

    Public domain CC0

    Wikipedia
  • Ligated Furrow Bee (Halictus ligatus), a species recorded in Connecticut3

    Ligated Furrow Bee

    Halictus ligatus

    1,805 records

    Kristen Diesburg CC BY

    Wikipedia
  • Brown-belted Bumble Bee (Bombus griseocollis), a species recorded in Connecticut4

    Brown-belted Bumble Bee

    Bombus griseocollis

    1,691 records

    Kai Squires CC BY

    Wikipedia
  • Eastern Carpenter Bee (Xylocopa virginica), a species recorded in Connecticut5

    Eastern Carpenter Bee

    Xylocopa virginica

    1,540 recordsNative

    Leila Dasher CC BY

    Wikipedia
  • Two-spotted Bumble Bee (Bombus bimaculatus), a species recorded in Connecticut6

    Two-spotted Bumble Bee

    Bombus bimaculatus

    1,469 records

    Matt Pelikan CC BY

    Wikipedia
  • Bicolored Striped Sweat Bee (Agapostemon virescens), a species recorded in Connecticut7

    Bicolored Striped Sweat Bee

    Agapostemon virescens

    793 records

    Michelle Orcutt CC BY

    Wikipedia
  • Pure Green Sweat bee (Augochlora pura), a species recorded in Connecticut8

    Pure Green Sweat bee

    Augochlora pura

    581 records

    Sandra H Statner CC BY

    Wikipedia
  • Unequal Cellophane Bee (Colletes inaequalis), a species recorded in Connecticut9

    Unequal Cellophane Bee

    Colletes inaequalis

    479 records

    christine123 CC BY

    Wikipedia
  • Perplexing Bumble Bee (Bombus perplexus), a species recorded in Connecticut10

    Perplexing Bumble Bee

    Bombus perplexus

    470 records

    Public domain CC0

    Wikipedia
  • European Woolcarder Bee (Anthidium manicatum), a species recorded in Connecticut11

    European Woolcarder Bee

    Anthidium manicatum

    339 recordsIntroduced
  • Confusing Furrow Bee (Halictus confusus), a species recorded in Connecticut12

    Confusing Furrow Bee

    Halictus confusus

    182 records

    carbenoid CC BY

    Wikipedia

Also recorded in Connecticut

#SpeciesRecords
13Wilke's Mining BeeIntroducedAndrena wilkella152
14Hairy-banded Mining BeeAndrena hirticincta152
15Rufous-backed Cellophane BeeColletes thoracicus141
16Spurred CeratinaCeratina calcarata130
17Modest Masked BeeHylaeus modestus122
18Northeastern Sweat BeeAugochloropsis viridula112
19Cloudy-winged Mining BeeAndrena nubecula110
20Golden Sweat BeeAugochlorella aurata108
21Two-spotted Longhorn BeeMelissodes bimaculatus105
22Dark-veined Longhorn BeeMelissodes trinodis103
23Black-and-yellow Nomad BeeNomada luteoloides99
24Flat-tailed Leafcutter BeeMegachile mendica94
25Oblong Woolcarder BeeIntroducedAnthidium oblongatum91
26Neighborly Mining BeeAndrena vicina88
27Sculptured Resin BeeIntroducedMegachile sculpturalis78
28Half-black Bumble BeeBombus vagans75
29Silky Striped Sweat BeeAgapostemon sericeus72
30Orange-legged Furrow BeeHalictus rubicundus71
31Carlin's Mining BeeAndrena carlini65
32Golden Northern Bumble BeeBombus fervidus64
33Hawthorn Mining BeeAndrena crataegi60
34Orange-tipped Wood-diggerAnthophora terminalis57
35Spotted Nomad BeeNomada maculata57
36Pruinose Squash BeeXenoglossa pruinosa57
37Alfalfa Leafcutter BeeIntroducedMegachile rotundata56
38Milwaukee Mining BeeAndrena milwaukeensis55
39Leathery Sweat BeeLasioglossum coriaceum55
40Horn-faced Mason BeeIntroducedOsmia cornifrons54
41Bufflehead Mason BeeOsmia bucephala49
42Louisiana Painted-Dark beeStelis louisae49
43Denticulate Longhorn BeeMelissodes denticulatus49
44Cherry Mining BeeAndrena pruni46
45Dark-winged Sweat BeeLasioglossum fuscipenne45
46Taurus Mason BeeIntroducedOsmia taurus45
47Rugose-chested Sweat BeeLasioglossum pectorale43
48Bellflower Resin BeeMegachile campanulae40
49Frigid Mining BeeAndrena frigida39
50Yellowish Cuckoo Bumble beeBombus flavidus39

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.