Bees in Colorado: identification guide and best places to start

Yes, bees are found throughout Colorado. The best places to start looking are your own backyard, local gardens, and mountain meadows. Most species are active from April through September on warm, sunny days. This guide covers where to find them, when to look, and how to identify the most common types.

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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 28, 2026.

Melecta pacifica fulvida photographed in Colorado

Melecta pacifica fulvida · Jared Shorma CC BY

Two-spotted Longhorn Bee photographed in Colorado

Two-spotted Longhorn Bee · Jared Shorma CC BY

Orange-tipped Woodborer photographed in Colorado

Orange-tipped Woodborer · Jared Shorma CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Not established in ColoradoPeak season right now
8
species recorded
0
GBIF records
July, June, August
peak months

Bees aren't established in Colorado, so you might be wondering:

Verified species, source iNaturalist

105 types of bees recorded in Colorado

105 bee species have a verified observation record in Colorado across bees (clade Anthophila), each with at least 10 confirmed sightings. The 50 most frequently recorded are shown below.

4 of the 50 shown are recorded as introduced to Colorado rather than native.

  • Western Honey Bee (Apis mellifera), a species recorded in Colorado1

    Western Honey Bee

    Apis mellifera

    6,728 recordsIntroduced

    Public domain CC0

    Wikipedia
  • Hunt's Bumble Bee (Bombus huntii), a species recorded in Colorado2

    Hunt's Bumble Bee

    Bombus huntii

    4,410 recordsNative

    Kate Crowell Walker CC BY

    Wikipedia
  • Brown-belted Bumble Bee (Bombus griseocollis), a species recorded in Colorado3

    Brown-belted Bumble Bee

    Bombus griseocollis

    2,000 recordsNative

    Kai Squires CC BY

    Wikipedia
  • Nevada Bumble Bee (Bombus nevadensis), a species recorded in Colorado4

    Nevada Bumble Bee

    Bombus nevadensis

    1,761 recordsNative

    Michelle Orcutt CC BY

    Wikipedia
  • Golden Northern Bumble Bee (Bombus fervidus), a species recorded in Colorado5

    Golden Northern Bumble Bee

    Bombus fervidus

    1,573 recordsNative

    Michelle Orcutt CC BY

    Wikipedia
  • American Bumble Bee (Bombus pensylvanicus), a species recorded in Colorado6

    American Bumble Bee

    Bombus pensylvanicus

    1,490 recordsNative

    Zach Earl CC BY

    Wikipedia
  • Colorado Black-notched Bumble Bee (Bombus bifarius), a species recorded in Colorado7

    Colorado Black-notched Bumble Bee

    Bombus bifarius

    1,241 records

    Public domain CC0

    Wikipedia
  • Ligated Furrow Bee (Halictus ligatus), a species recorded in Colorado8

    Ligated Furrow Bee

    Halictus ligatus

    856 records

    Kristen Diesburg CC BY

    Wikipedia
  • Great Basin Bumble Bee (Bombus centralis), a species recorded in Colorado9

    Great Basin Bumble Bee

    Bombus centralis

    765 recordsNative

    Darrin Gobble CC BY

    Wikipedia
  • White-shouldered Bumble Bee (Bombus appositus), a species recorded in Colorado10

    White-shouldered Bumble Bee

    Bombus appositus

    667 recordsNative

    Syd Cannings CC BY

    Wikipedia
  • Two-spotted Longhorn Bee (Melissodes bimaculatus), a species recorded in Colorado11

    Two-spotted Longhorn Bee

    Melissodes bimaculatus

    500 records

    eamonccorbett CC BY

    Wikipedia
  • Yellow-fronted Bumble Bee (Bombus flavifrons), a species recorded in Colorado12

    Yellow-fronted Bumble Bee

    Bombus flavifrons

    467 records

    sprcrkwild CC BY

    Wikipedia

Also recorded in Colorado

#SpeciesRecords
13European Woolcarder BeeIntroducedAnthidium manicatum423
14Oblique Longhorn BeeEpimelissodes obliquus414
15Red-belted Bumble BeeNativeBombus rufocinctus393
16Orange-tipped WoodborerLithurgopsis apicalis360
17Indiscriminate Cuckoo Bumble BeeBombus insularis351
18Forest Bumble BeeBombus sylvicola334
19Western Bumble BeeBombus occidentalis325
20Orange-legged Furrow BeeHalictus rubicundus303
21Golden-belted Bumble BeeNativeBombus kirbiellus276
22Golden Sweat BeeAugochlorella aurata271
23Tripartite Sweat BeeHalictus tripartitus269
24Bicolored Striped Sweat BeeAgapostemon virescens240
25Fuzzy-Horned Bumble BeeBombus mixtus233
26Green Small-MasonHoplitis fulgida230
27Western Leafcutter BeeMegachile perihirta206
28Morrison's Bumble BeeNativeBombus morrisoni163
29Alfalfa Leafcutter BeeIntroducedMegachile rotundata162
30Two-spotted Bumble BeeBombus bimaculatus153
31Southern Plains Bumble BeeNativeBombus fraternus147
32Tansy Mustard Sweat BeeLasioglossum sisymbrii133
33Bumblebee-like Digger BeeAnthophora bomboides126
34Sunflower Mining BeeAndrena helianthi124
35Pruinose Squash BeeXenoglossa pruinosa123
36Parallel Leafcutter BeeMegachile parallela101
37Black-tailed Bumble BeeBombus melanopygus100
38California Bumble BeeBombus californicus98
39Orange-tipped Wood-diggerAnthophora terminalis97
40Sunflower Chimney BeeDiadasia enavata92
41Anthophora montanaAnthophora montana92
42Common Longhorn BeeMelissodes communis92
43Prunus Miner BeeAndrena prunorum90
44Oblong Woolcarder BeeIntroducedAnthidium oblongatum84
45Milwaukee Mining BeeAndrena milwaukeensis79
46Black-and-gray Leafcutter BeeMegachile melanophaea76
47Urbane Digger BeeAnthophora urbana74
48Silver-tailed PetalcutterMegachile montivaga68
49Unarmed Leafcutter BeeMegachile inermis68
50Blue Orchard BeeOsmia lignaria67

Plus 55 more established bees species beyond the top 50. And 150 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

52,296 verified observations on iNaturalist of bee have been recorded in Colorado, most often in July, June, August.

When bee are recorded in Colorado

Yes, bees are found throughout Colorado. The best places to start looking are your own backyard, local gardens, and mountain meadows. Most species are active from April through September on warm, sunny days. This guide covers where to find them, when to look, and how to identify the most common types.

Where are people most likely to notice bees in Colorado?

Backyards with flowers, group gardens, parks, and along hiking trails are prime spots. Look for bees visiting blossoms of native plants like coneflowers, sunflowers, and clover. For more on Colorado's wildlife, check out ourColorado wildlife page.

In Colorado, bees sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

What season and weather patterns help with bee spotting?

Bees are most active from late spring through early fall. They prefer temperatures above 60°F with calm winds. Cloudy or rainy days mean lower activity. Early morning and late evening are also less productive.

Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around what season or weather patterns help, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in Colorado. If movement slows, stay longer at one promising spot, listen for calls or watch for edge movement, and reset around weather, light, water, or feeding changes instead of jumping to a totally new area too early.

What are simple ID cues that separate bees from lookalikes?

Honey bees are small with thin waists and carry pollen on their hind legs. Bumble bees are larger, fuzzy, and often seen buzzing loudly. Carpenter bees are big and shiny with a black abdomen. Unlike flies, bees have two pairs of wings and often have pollen baskets. Learn more about bees on ourbee identification page.

See ourstate animal guidefor the next step.

What should you look for when observing bee behavior?

Watch for foraging patterns. Bees visit flowers systematically. Check for pollen loads on their legs. Also note nesting sites: bumble bees nest in the ground or old rodent holes, while carpenter bees bore into wood. For a deeper look at bee identification, visit ourbee species guide.

How can you create a bee-friendly space in your Colorado yard?

Plant a variety of native flowers that bloom from spring to fall. Avoid using pesticides. Provide a shallow water source with pebbles for landing. Leave some bare ground for ground-nesting species. Consider adding abee-themed stickerto your collection.

Where can you find bee-themed gear to show your appreciation?

Honey Bee in Flight Women's T-Shirt

A comfortable fitted tee featuring a honey bee in flight, perfect for everyday wear.Check Price and Availability

Let It Bee Honey Bee Graphic Tee

A relaxed graphic tee with a fun bee message.Check Price and Availability

Custom Embroidery Bee Baseball Cap

A cap with a detailed bee embroidery, great for outdoor outings.Check Price and Availability

You can also find more bee items on ourstickers page.

Honey Bee Tumbler Wrap Laser Svg 20oz Laser Engraved Honeycomb Tumbler Wrap Floral 20 oz Tumbler Laser File Svg Design Laser Engraving Svg

A strong match for this wildlife page and an easy next click after the guide.Check Price and Availability

What are some frequently asked questions about bees in Colorado?

**What is the most common bee in Colorado?** The western honey bee (Apis mellifera) is widespread, especially in urban areas. **Are there aggressive bees in Colorado?** While most bees are docile, Africanized honey bees have been reported in southern parts of the state. **Do bees in Colorado hibernate?** Bumble bee queens hibernate underground over winter, while honey bees cluster in their hives.

See ourtour planning ideasfor the next step.

Plan your trip

Best time to see bee in Colorado: July, June, August

See the month-by-month sighting calendar.

When to go

Plan your bee sighting in Colorado

There are no verified bee records for Colorado, which fits how uncommon they are here. See the GBIF records.

Where to look in Colorado

Planning a trip to see bee? Find places to stay near Bent's Old Fort National Historic Site on Booking.com.

Frequently asked questions

What bee species live in Colorado?+

Backyards with flowers, group gardens, parks, and along hiking trails are prime spots. Look for bees visiting blossoms of native plants like coneflowers, sunflowers, and clover. For more on Colorado's wildlife, check out ourColorado wildlife page. In Colorado, bees sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

Where can you see bees in Colorado?+

Backyards with flowers, group gardens, parks, and along hiking trails are prime spots. Look for bees visiting blossoms of native plants like coneflowers, sunflowers, and clover. For more on Colorado's wildlife, check out ourColorado wildlife page. In Colorado, bees sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

When is the best time to see bees in Colorado?+

Backyards with flowers, group gardens, parks, and along hiking trails are prime spots. Look for bees visiting blossoms of native plants like coneflowers, sunflowers, and clover. For more on Colorado's wildlife, check out ourColorado wildlife page. In Colorado, bees sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.