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.
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 · Theo Rickert CC BY

Asian Shaggy Digger Bee · Angie Hartley CC BY-ND

Brown-belted Bumble Bee · Angie Hartley CC BY-ND
- 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.
Also recorded in Pennsylvania
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | Unequal Cellophane BeeColletes inaequalis | Colletes inaequalis | 531 |
| 14 | European Woolcarder BeeIntroducedAnthidium manicatum | Anthidium manicatum | 530 |
| 15 | Horn-faced Mason BeeIntroducedOsmia cornifrons | Osmia cornifrons | 332 |
| 16 | Oblong Woolcarder BeeIntroducedAnthidium oblongatum | Anthidium oblongatum | 298 |
| 17 | Black-and-gold Bumble BeeBombus auricomus | Bombus auricomus | 295 |
| 18 | Modest Masked BeeHylaeus modestus | Hylaeus modestus | 267 |
| 19 | Spurred CeratinaCeratina calcarata | Ceratina calcarata | 252 |
| 20 | Spring Beauty MinerAndrena erigeniae | Andrena erigeniae | 249 |
| 21 | Flat-tailed Leafcutter BeeMegachile mendica | Megachile mendica | 236 |
| 22 | Carlin's Mining BeeAndrena carlini | Andrena carlini | 208 |
| 23 | Golden Sweat BeeAugochlorella aurata | Augochlorella aurata | 207 |
| 24 | Tricolored Bumble BeeBombus ternarius | Bombus ternarius | 196 |
| 25 | Confusing Furrow BeeHalictus confusus | Halictus confusus | 181 |
| 26 | Half-black Bumble BeeBombus vagans | Bombus vagans | 174 |
| 27 | Denticulate Longhorn BeeMelissodes denticulatus | Melissodes denticulatus | 168 |
| 28 | Dark-veined Longhorn BeeMelissodes trinodis | Melissodes trinodis | 164 |
| 29 | Alfalfa Leafcutter BeeIntroducedMegachile rotundata | Megachile rotundata | 159 |
| 30 | Pugnacious Leafcutter BeeMegachile pugnata | Megachile pugnata | 157 |
| 31 | Wilke's Mining BeeIntroducedAndrena wilkella | Andrena wilkella | 152 |
| 32 | Taurus Mason BeeIntroducedOsmia taurus | Osmia taurus | 151 |
| 33 | Pruinose Squash BeeXenoglossa pruinosa | Xenoglossa pruinosa | 143 |
| 34 | Yellow-banded Bumble BeeBombus terricola | Bombus terricola | 140 |
| 35 | Black-and-yellow Nomad BeeNomada luteoloides | Nomada luteoloides | 135 |
| 36 | Lemon Cuckoo Bumble BeeBombus citrinus | Bombus citrinus | 123 |
| 37 | Dark-winged Sweat BeeLasioglossum fuscipenne | Lasioglossum fuscipenne | 115 |
| 38 | Orange-legged Furrow BeeHalictus rubicundus | Halictus rubicundus | 112 |
| 39 | Rufous-backed Cellophane BeeColletes thoracicus | Colletes thoracicus | 111 |
| 40 | Texas Leafcutter BeeMegachile texana | Megachile texana | 105 |
| 41 | Bufflehead Mason BeeOsmia bucephala | Osmia bucephala | 97 |
| 42 | Neighborly Mining BeeAndrena vicina | Andrena vicina | 95 |
| 43 | Eastern Thistle Longhorn BeeMelissodes desponsus | Melissodes desponsus | 92 |
| 44 | Hawthorn Mining BeeAndrena crataegi | Andrena crataegi | 91 |
| 45 | Spotted Nomad BeeNomada maculata | Nomada maculata | 90 |
| 46 | Miserable Mining BeeAndrena miserabilis | Andrena miserabilis | 83 |
| 47 | European Small-WoolcarderIntroducedPseudoanthidium nanum | Pseudoanthidium nanum | 81 |
| 48 | Dunning's MinerAndrena dunningi | Andrena dunningi | 77 |
| 49 | Lunate Longhorn-cuckoo BeeTriepeolus lunatus | Triepeolus lunatus | 75 |
| 50 | Hibiscus Turret BeePtilothrix bombiformis | Ptilothrix bombiformis | 73 |
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.
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
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Captain John Smith Chesapeake National Historic Trail · Wildlife Watching, Birdwatching · Find hotels
- Chesapeake Bay · Wildlife Watching · Find hotels
- Delaware Water Gap National Recreation Area · Wildlife Watching, Birdwatching · Find hotels
- Fort Necessity National Battlefield · Wildlife Watching, Birdwatching · Find hotels
- Friendship Hill National Historic Site · Wildlife Watching, Birdwatching · Find hotels
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.
Keep exploring
More places to see bee
More wildlife in Pennsylvania
Common questions about bees











