Bees in Pennsylvania: Identification Guide and Best Places to Start

Yes, Pennsylvania is home to over 400 native bee species. Start your search in sunny gardens, meadows, and woodland edges from late March through October. Look for bumblebees on clover and honey bees near flowering trees. This guide covers where, when, and how to spot them.

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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.

Aster Cellophane Bee photographed in Pennsylvania

Aster Cellophane Bee · Theo Rickert CC BY

Asian Shaggy Digger Bee photographed in Pennsylvania

Asian Shaggy Digger Bee · Angie Hartley CC BY-ND

Brown-belted Bumble Bee photographed in Pennsylvania

Brown-belted Bumble Bee · Angie Hartley CC BY-ND

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

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

Verified species, source iNaturalist

108 types of bees recorded in Pennsylvania

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

9 of the 50 shown are recorded as introduced to Pennsylvania rather than native.

  • Common Eastern Bumble Bee (Bombus impatiens), a species recorded in Pennsylvania1

    Common Eastern Bumble Bee

    Bombus impatiens

    12,185 records

    Public domain CC0

    Wikipedia
  • Western Honey Bee (Apis mellifera), a species recorded in Pennsylvania2

    Western Honey Bee

    Apis mellifera

    10,145 recordsIntroduced

    Public domain CC0

    Wikipedia
  • Eastern Carpenter Bee (Xylocopa virginica), a species recorded in Pennsylvania3

    Eastern Carpenter Bee

    Xylocopa virginica

    6,243 records

    Leila Dasher CC BY

    Wikipedia
  • Brown-belted Bumble Bee (Bombus griseocollis), a species recorded in Pennsylvania4

    Brown-belted Bumble Bee

    Bombus griseocollis

    3,594 records

    Kai Squires CC BY

    Wikipedia
  • Two-spotted Bumble Bee (Bombus bimaculatus), a species recorded in Pennsylvania5

    Two-spotted Bumble Bee

    Bombus bimaculatus

    2,648 records

    Matt Pelikan CC BY

    Wikipedia
  • Pure Green Sweat bee (Augochlora pura), a species recorded in Pennsylvania6

    Pure Green Sweat bee

    Augochlora pura

    1,653 records

    Sandra H Statner CC BY

    Wikipedia
  • Perplexing Bumble Bee (Bombus perplexus), a species recorded in Pennsylvania7

    Perplexing Bumble Bee

    Bombus perplexus

    1,156 records

    Public domain CC0

    Wikipedia
  • Ligated Furrow Bee (Halictus ligatus), a species recorded in Pennsylvania8

    Ligated Furrow Bee

    Halictus ligatus

    895 records

    Kristen Diesburg CC BY

    Wikipedia
  • Bicolored Striped Sweat Bee (Agapostemon virescens), a species recorded in Pennsylvania9

    Bicolored Striped Sweat Bee

    Agapostemon virescens

    826 records

    Michelle Orcutt CC BY

    Wikipedia
  • Two-spotted Longhorn Bee (Melissodes bimaculatus), a species recorded in Pennsylvania10

    Two-spotted Longhorn Bee

    Melissodes bimaculatus

    592 records

    eamonccorbett CC BY

    Wikipedia
  • Sculptured Resin Bee (Megachile sculpturalis), a species recorded in Pennsylvania11

    Sculptured Resin Bee

    Megachile sculpturalis

    583 recordsIntroduced

    Benjamin Burgunder CC BY

    Wikipedia
  • Golden Northern Bumble Bee (Bombus fervidus), a species recorded in Pennsylvania12

    Golden Northern Bumble Bee

    Bombus fervidus

    532 records

    Michelle Orcutt CC BY

    Wikipedia

Also recorded in Pennsylvania

#SpeciesRecords
13Unequal Cellophane BeeColletes inaequalis531
14European Woolcarder BeeIntroducedAnthidium manicatum530
15Horn-faced Mason BeeIntroducedOsmia cornifrons332
16Oblong Woolcarder BeeIntroducedAnthidium oblongatum298
17Black-and-gold Bumble BeeBombus auricomus295
18Modest Masked BeeHylaeus modestus267
19Spurred CeratinaCeratina calcarata252
20Spring Beauty MinerAndrena erigeniae249
21Flat-tailed Leafcutter BeeMegachile mendica236
22Carlin's Mining BeeAndrena carlini208
23Golden Sweat BeeAugochlorella aurata207
24Tricolored Bumble BeeBombus ternarius196
25Confusing Furrow BeeHalictus confusus181
26Half-black Bumble BeeBombus vagans174
27Denticulate Longhorn BeeMelissodes denticulatus168
28Dark-veined Longhorn BeeMelissodes trinodis164
29Alfalfa Leafcutter BeeIntroducedMegachile rotundata159
30Pugnacious Leafcutter BeeMegachile pugnata157
31Wilke's Mining BeeIntroducedAndrena wilkella152
32Taurus Mason BeeIntroducedOsmia taurus151
33Pruinose Squash BeeXenoglossa pruinosa143
34Yellow-banded Bumble BeeBombus terricola140
35Black-and-yellow Nomad BeeNomada luteoloides135
36Lemon Cuckoo Bumble BeeBombus citrinus123
37Dark-winged Sweat BeeLasioglossum fuscipenne115
38Orange-legged Furrow BeeHalictus rubicundus112
39Rufous-backed Cellophane BeeColletes thoracicus111
40Texas Leafcutter BeeMegachile texana105
41Bufflehead Mason BeeOsmia bucephala97
42Neighborly Mining BeeAndrena vicina95
43Eastern Thistle Longhorn BeeMelissodes desponsus92
44Hawthorn Mining BeeAndrena crataegi91
45Spotted Nomad BeeNomada maculata90
46Miserable Mining BeeAndrena miserabilis83
47European Small-WoolcarderIntroducedPseudoanthidium nanum81
48Dunning's MinerAndrena dunningi77
49Lunate Longhorn-cuckoo BeeTriepeolus lunatus75
50Hibiscus Turret BeePtilothrix bombiformis73

Plus 58 more established bees species beyond the top 50. And 120 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

68,038 verified observations on iNaturalist of bee have been recorded in Pennsylvania, most often in July, June, August.

When bee are recorded in Pennsylvania

Yes, Pennsylvania is home to over 400 native bee species. Start your search in sunny gardens, meadows, and woodland edges from late March through October. Look for bumblebees on clover and honey bees near flowering trees. This guide covers where, when, and how to spot them.

1. Where are you most likely to spot bees in Pennsylvania?

Bees are most active in areas with abundant flowers. Check your backyard garden, group parks, and roadsides with clover or dandelions. Meadows and old fields in state parks likeRidley Creek State Parkoffer good chances. Also try woodland edges where spring wildflowers bloom.

2. What season or weather patterns help with bee spotting?

The best time is from late March to early October. Warm, sunny days with temperatures above 60°F bring out the most activity. Early morning is good for bumblebees, while honey bees peak midday. After a rain, bees may take a few hours to resume foraging.

See ourBees guidefor the next step.

3. Simple ID cues that separate bees from lookalikes

Bees are fuzzy and useful, with thick bodies and pollen baskets on their legs. Wasps are smooth with narrow waists, and flies (like hoverflies) have only two wings and often hover. Look for clumps of pollen on hind legs to confirm a bee.

See ourstate animal guidefor the next step.

4. Bumblebees: the common workhorses

Bumblebees are large, round, and covered in dense hair. They fly with a low buzz and are often seen on clover, thistle, and milkweed. In Pennsylvania, the common eastern bumblebee is widespread. They nest in abandoned rodent holes or under grass clumps.

5. Honey bees: look for hives

Honey bees are smaller, slender, with a golden-brown color. They live in large colonies, often in hollow trees or managed hives. You may see them on apple blossoms, dandelions, or sumac. They are less common in deep woods and more frequent near farms.

6. Mason bees and other solitary bees

Mason bees are early spring fliers, about the size of a honey bee but metallic blue or dark. They nest in hollow stems or holes in wood. Look for them on fruit tree blossoms. Leafcutter bees, which cut neat circles from leaves, appear in summer.

7. Bees you might see in your backyard

Common backyard bees include the eastern carpenter bee (large, black, shiny), the green sweat bee (small, metallic), and the bumblebee. Plant native flowers like aster, goldenrod, and bee balm to attract them. Avoid pesticides to keep them safe.

9. Show your support for bees

After a day of spotting, consider wearing your bee enthusiasm. TheHoney Bee in Flight Women's T-Shirtfeatures a detailed flying bee design. For a casual look, theLet It Bee Honey Bee Graphic Teeis a fun choice. Top it off with theCustom Embroidery Bee Baseball Cap. Andshop wildlife stickersto decorate your gear.

Honey Bee in Flight Women's T-Shirt

This shirt celebrates the honey bee with a colorful in-flight design. Perfect for garden days.Check Price and Availability

Let It Bee Honey Bee Graphic Tee

A relaxed tee with a playful bee graphic. Great for casual outings.Check Price and Availability

Custom Embroidery Bee Baseball Cap

A stylish cap with embroidered bee detail. Keeps the sun off while you're outside.Check Price and Availability

See ourtour planning ideasfor the next step.

See ourtour planning ideasfor the next step.

Plan your trip

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

See the month-by-month sighting calendar.

When to go

Plan your bee sighting in Pennsylvania

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

Where to look in Pennsylvania

Planning a trip to see bee? Find places to stay near Appalachian National Scenic Trail on Booking.com.

Frequently asked questions

What bee species live in Pennsylvania?+

Bees are most active in areas with abundant flowers. Check your backyard garden, group parks, and roadsides with clover or dandelions. Meadows and old fields in state parks likeRidley Creek State Parkoffer good chances. Also try woodland edges where spring wildflowers bloom.

Where can you see bees in Pennsylvania?+

Bees are most active in areas with abundant flowers. Check your backyard garden, group parks, and roadsides with clover or dandelions. Meadows and old fields in state parks likeRidley Creek State Parkoffer good chances. Also try woodland edges where spring wildflowers bloom.

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

Bees are most active in areas with abundant flowers. Check your backyard garden, group parks, and roadsides with clover or dandelions. Meadows and old fields in state parks likeRidley Creek State Parkoffer good chances. Also try woodland edges where spring wildflowers bloom.