Family

Mason, Leafcutter, Carder, and Resin Bees

Megachilidae

27 species in our catalog · found in 26 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderHymenoptera (Ants, Bees, Wasps, and Sawflies)
FamilyMegachilidae (Mason, Leafcutter, Carder, and Resin Bees)

Species in this group

Pseudoanthidium repetitum

Daily sighting probability ~10% · With luck

Anthidium florentinum

Daily sighting probability ~10% · With luck

Anthidium manicatum

Daily sighting probability ~10% · With luck

Megachile sculpturalis

Daily sighting probability ~10% · With luck

Rhodanthidium sticticum

Daily sighting probability ~10% · With luck

Osmia cornuta

Daily sighting probability ~10% · With luck

Hoplitis biscutellae

Daily sighting probability ~10% · With luck

Megachile sicula

Daily sighting probability ~10% · With luck

Coelioxys slossoni

Daily sighting probability ~10% · With luck

Osmia bicornis

Daily sighting probability ~10% · With luck

Anthidiellum perplexum

Daily sighting probability ~10% · With luck

Megachile inermis

Daily sighting probability ~10% · With luck

Megachile chrysopyga

Daily sighting probability ~10% · With luck

Megachile xylocopoides

Daily sighting probability ~10% · With luck

Rhodanthidium septemdentatum

Daily sighting probability ~10% · With luck

Megachile mystacea

Daily sighting probability ~10% · With luck

Osmia bucephala

Daily sighting probability ~10% · With luck

Coelioxys dolichos

Daily sighting probability ~10% · With luck

Megachile leucopyga

Daily sighting probability <5% · Rare

Megachile ericetorum

Daily sighting probability <5% · Rare

Megachile pusilla

Daily sighting probability <5% · Rare

Megachile ferox

Daily sighting probability <5% · Rare

Anthidium vigintiduopunctatum

Daily sighting probability <5% · Rare

Megachile punctata

Daily sighting probability <5% · Rare

Megachile policaris

Daily sighting probability <5% · Rare

Megachile chrysorrhoea

Daily sighting probability <5% · Rare

Megachile maritima

Daily sighting probability <5% · Rare

See all 27 species Show fewer

Daily sighting probability by month

Probability-weighted average across the group's species

<5%

Jan

<5%

Feb

~10%

Mar

~10%

Apr

<5%

May

<5%

Jun

~10%

Jul

~10%

Aug

<5%

Sep

<5%

Oct

<5%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Mason, Leafcutter, Carder, and Resin Bees

Warmer areas are where this group is recorded most often. Our parks Our cities

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Cévennes National Park	🇫🇷 France	5 of 27	~30%
	Florentine Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	European Orchard Bee			~10%
	Seven-Toothed Red Resin Bee			~10%
	European Woolcarder Bee			<5%
2	Bavarian Forest National Park	🇩🇪 Germany	4 of 27	~30%
	European Woolcarder Bee			~10%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
	Banded Mud Bee			<5%
3	Shenandoah National Park	🇺🇸 United States	3 of 27	~20%
	Sculptured Resin Bee			~10%
	Bufflehead Mason Bee			~10%
	Carpenter-Mimic Leafcutter Bee			<5%
4	Blue Mountains National Park	🇦🇺 Australia	4 of 27	~20%
	Megachile chrysopyga			~10%
	Gold-Barred Resin Bee			<5%
	Megachile ferox			<5%
	Megachile punctata			<5%
5	Great Smoky Mountains National Park	🇺🇸 United States	3 of 27	~20%
	Sculptured Resin Bee			~10%
	Bufflehead Mason Bee			~10%
	Carpenter-Mimic Leafcutter Bee			<5%
6	Wadden Sea National Park	🇩🇪 Germany	4 of 27	~20%
	Red Mason Bee			~10%
	European Woolcarder Bee			<5%
	Coast Leafcutter Bee			<5%
	European Orchard Bee			<5%
7	Big Cypress National Preserve	🇺🇸 United States	2 of 27	~10%
	Coelioxys slossoni			~10%
	Perplexing Rotund-Resin Bee			~10%
8	Pyrénées National Park	🇫🇷 France	3 of 27	~10%
	European Orchard Bee			~10%
	Sculptured Resin Bee			~10%
	European Woolcarder Bee			<5%
9	Addo Elephant National Park	🇿🇦 South Africa	1 of 27	~10%
	African Carder Bee			~10%
10	Everglades National Park	🇺🇸 United States	2 of 27	~10%
	Coelioxys dolichos			~10%
	Carpenter-Mimic Leafcutter Bee			~10%
11	Sierra Nevada National Park	🇪🇸 Spain	1 of 27	~10%
	Spotted Red Resin Bee			~10%
12	Death Valley National Park	🇺🇸 United States	1 of 27	~10%
	Creosote Small-Mason			~10%
13	Point Pelee National Park	🇨🇦 Canada	1 of 27	~10%
	Sculptured Resin Bee			~10%
14	Doñana National Park	🇪🇸 Spain	1 of 27	~10%
	Sicilian Mortar Bee			~10%
15	Galápagos Islands	🇪🇨 Ecuador	2 of 27	~10%
	Megachile pusilla			<5%
	Twenty-Two-Spotted Woolcarder			<5%
16	Acadia National Park	🇺🇸 United States	1 of 27	~10%
	European Woolcarder Bee			~10%
17	Riding Mountain National Park	🇨🇦 Canada	1 of 27	~10%
	Unarmed Leafcutter Bee			~10%
18	Fertő-Hanság National Park	🇭🇺 Hungary	1 of 27	~10%
	European Orchard Bee			~10%
19	Snowdonia National Park	🇬🇧 United Kingdom	1 of 27	~10%
	Red Mason Bee			~10%
20	Merritt Island National Wildlife Refuge	🇺🇸 United States	1 of 27	~10%
	Carpenter-Mimic Leafcutter Bee			~10%
21	Daintree National Park	🇦🇺 Australia	1 of 27	~10%
	Megachile mystacea			~10%
22	Great Bear Rainforest	🇨🇦 Canada	1 of 27	~10%
	European Woolcarder Bee			~10%
23	Olympic National Park	🇺🇸 United States	1 of 27	<5%
	European Woolcarder Bee			<5%
24	Saguaro National Park	🇺🇸 United States	1 of 27	<5%
	Megachile policaris			<5%
25	Sierra de Guadarrama National Park	🇪🇸 Spain	1 of 27	<5%
	Florentine Woolcarder Bee			<5%
26	Kruger National Park	🇿🇦 South Africa	1 of 27	<5%
	Megachile chrysorrhoea			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Warsaw	🇵🇱 Poland	5 of 27	~50%
	Red Mason Bee			~20%
	European Woolcarder Bee			~20%
	European Orchard Bee			~10%
	Banded Mud Bee			~10%
	Coast Leafcutter Bee			~10%
2	Budapest	🇭🇺 Hungary	4 of 27	~40%
	European Orchard Bee			~20%
	Florentine Woolcarder Bee			~20%
	Sculptured Resin Bee			~10%
	Red Mason Bee			~10%
3	Lyon	🇫🇷 France	5 of 27	~40%
	Florentine Woolcarder Bee			~20%
	European Orchard Bee			~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Red Mason Bee			<5%
4	Barcelona	🇪🇸 Spain	7 of 27	~40%
	Florentine Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	European Woolcarder Bee			~10%
	Spotted Red Resin Bee			~10%
	Seven-Toothed Red Resin Bee			<5%
	Banded Mud Bee			<5%
	European Orchard Bee			<5%
5	Berlin	🇩🇪 Germany	5 of 27	~40%
	European Orchard Bee			~20%
	Red Mason Bee			~10%
	European Woolcarder Bee			~10%
	Banded Mud Bee			<5%
	Coast Leafcutter Bee			<5%
6	Munich	🇩🇪 Germany	5 of 27	~30%
	European Orchard Bee			~10%
	European Woolcarder Bee			~10%
	Red Mason Bee			~10%
	Banded Mud Bee			<5%
	Sculptured Resin Bee			<5%
7	Milan	🇮🇹 Italy	5 of 27	~30%
	European Orchard Bee			~10%
	Florentine Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Red Mason Bee			<5%
	European Woolcarder Bee			<5%
8	Vienna	🇦🇹 Austria	5 of 27	~30%
	European Orchard Bee			~20%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Red Mason Bee			<5%
	Banded Mud Bee			<5%
9	Turin	🇮🇹 Italy	2 of 27	~30%
	Florentine Woolcarder Bee			~20%
	European Orchard Bee			~10%
10	Essen	🇩🇪 Germany	3 of 27	~30%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			~10%
11	London	🇬🇧 United Kingdom	3 of 27	~20%
	Red Mason Bee			~10%
	European Woolcarder Bee			~10%
	European Orchard Bee			~10%
12	Cologne	🇩🇪 Germany	3 of 27	~20%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			~10%
13	Boston	🇺🇸 United States	3 of 27	~20%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Bufflehead Mason Bee			<5%
14	Hamburg	🇩🇪 Germany	3 of 27	~20%
	Red Mason Bee			~10%
	European Orchard Bee			~10%
	European Woolcarder Bee			~10%
15	Paris	🇫🇷 France	4 of 27	~20%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			<5%
16	Brussels	🇧🇪 Belgium	3 of 27	~20%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			<5%
17	Kyiv	🇺🇦 Ukraine	2 of 27	~20%
	European Orchard Bee			~20%
	Red Mason Bee			~10%
18	Birmingham	🇬🇧 United Kingdom	1 of 27	~20%
	Red Mason Bee			~20%
19	Athens	🇬🇷 Greece	1 of 27	~20%
	Florentine Woolcarder Bee			~20%
20	Amsterdam	🇳🇱 Netherlands	3 of 27	~20%
	Red Mason Bee			~10%
	European Orchard Bee			~10%
	European Woolcarder Bee			~10%
21	Rome	🇮🇹 Italy	3 of 27	~20%
	Florentine Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Seven-Toothed Red Resin Bee			<5%
22	Bucharest	🇷🇴 Romania	3 of 27	~20%
	European Orchard Bee			~10%
	Sculptured Resin Bee			~10%
	European Woolcarder Bee			<5%
23	Philadelphia	🇺🇸 United States	3 of 27	~20%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Carpenter-Mimic Leafcutter Bee			<5%
24	Ankara	🇹🇷 Turkey	1 of 27	~20%
	Florentine Woolcarder Bee			~20%
25	Madrid	🇪🇸 Spain	3 of 27	~20%
	Florentine Woolcarder Bee			~10%
	European Orchard Bee			<5%
	European Woolcarder Bee			<5%
26	Valencia	🇪🇸 Spain	1 of 27	~20%
	Florentine Woolcarder Bee			~20%
27	Montreal	🇨🇦 Canada	2 of 27	~20%
	Florentine Woolcarder Bee			~10%
	European Woolcarder Bee			~10%
28	Liverpool	🇬🇧 United Kingdom	1 of 27	~20%
	Red Mason Bee			~20%
29	Sofia	🇧🇬 Bulgaria	1 of 27	~20%
	European Orchard Bee			~20%
30	Lisbon	🇵🇹 Portugal	4 of 27	~20%
	Florentine Woolcarder Bee			~10%
	European Woolcarder Bee			<5%
	Seven-Toothed Red Resin Bee			<5%
	Spotted Red Resin Bee			<5%
31	Sacramento	🇺🇸 United States	1 of 27	~20%
	European Woolcarder Bee			~20%
32	Baltimore	🇺🇸 United States	3 of 27	~20%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
	Carpenter-Mimic Leafcutter Bee			<5%
33	Santiago	🇨🇱 Chile	1 of 27	~20%
	European Woolcarder Bee			~20%
34	Prague	🇨🇿 Czechia	3 of 27	~20%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			<5%
35	Helsinki	🇫🇮 Finland	2 of 27	~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			~10%
36	New York City	🇺🇸 United States	2 of 27	~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
37	Washington	🇺🇸 United States	3 of 27	~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			<5%
	Carpenter-Mimic Leafcutter Bee			<5%
38	Houston	🇺🇸 United States	4 of 27	~10%
	Carpenter-Mimic Leafcutter Bee			~10%
	Megachile policaris			<5%
	Sculptured Resin Bee			<5%
	Coelioxys dolichos			<5%
39	Melbourne	🇦🇺 Australia	4 of 27	~10%
	Megachile ferox			<5%
	African Carder Bee			<5%
	Megachile chrysopyga			<5%
	European Woolcarder Bee			<5%
40	Detroit	🇺🇸 United States	2 of 27	~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			~10%
41	Rotterdam [The Hague]	🇳🇱 Netherlands	2 of 27	~10%
	European Orchard Bee			~10%
	Red Mason Bee			~10%
42	Manchester	🇬🇧 United Kingdom	1 of 27	~10%
	Red Mason Bee			~10%
43	Salt Lake City	🇺🇸 United States	1 of 27	~10%
	European Woolcarder Bee			~10%
44	Copenhagen	🇩🇰 Denmark	2 of 27	~10%
	Red Mason Bee			~10%
	European Woolcarder Bee			<5%
45	Sydney	🇦🇺 Australia	4 of 27	~10%
	African Carder Bee			<5%
	Megachile punctata			<5%
	Megachile ferox			<5%
	Megachile chrysopyga			<5%
46	Kharkiv	🇺🇦 Ukraine	1 of 27	~10%
	European Orchard Bee			~10%
47	Toronto	🇨🇦 Canada	2 of 27	~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			<5%
48	Auckland	🇳🇿 New Zealand	1 of 27	~10%
	European Woolcarder Bee			~10%
49	Moscow	🇷🇺 Russia	3 of 27	~10%
	Florentine Woolcarder Bee			~10%
	Red Mason Bee			<5%
	European Woolcarder Bee			<5%
50	Istanbul	🇹🇷 Turkey	1 of 27	~10%
	Florentine Woolcarder Bee			~10%
51	Naples	🇮🇹 Italy	1 of 27	~10%
	Florentine Woolcarder Bee			~10%
52	Almaty	🇰🇿 Kazakhstan	1 of 27	~10%
	Florentine Woolcarder Bee			~10%
53	Portland	🇺🇸 United States	1 of 27	~10%
	European Woolcarder Bee			~10%
54	Denver	🇺🇸 United States	1 of 27	~10%
	European Woolcarder Bee			~10%
55	Chicago	🇺🇸 United States	2 of 27	~10%
	European Woolcarder Bee			~10%
	Sculptured Resin Bee			<5%
56	Nizhny Novgorod	🇷🇺 Russia	2 of 27	~10%
	Florentine Woolcarder Bee			~10%
	Red Mason Bee			<5%
57	Minneapolis [Saint Paul]	🇺🇸 United States	1 of 27	~10%
	European Woolcarder Bee			~10%
58	Leeds	🇬🇧 United Kingdom	1 of 27	~10%
	Red Mason Bee			~10%
59	Dallas	🇺🇸 United States	3 of 27	~10%
	Megachile policaris			<5%
	Sculptured Resin Bee			<5%
	Carpenter-Mimic Leafcutter Bee			<5%
60	Novosibirsk	🇷🇺 Russia	1 of 27	~10%
	Florentine Woolcarder Bee			~10%

Mason, Leafcutter, Carder, and Resin Bees

Species in this group

African Carder Bee

Florentine Woolcarder Bee

European Woolcarder Bee

Sculptured Resin Bee

Spotted Red Resin Bee

European Orchard Bee

Creosote Small-Mason

Sicilian Mortar Bee

Coelioxys slossoni

Red Mason Bee

Perplexing Rotund-Resin Bee

Unarmed Leafcutter Bee

Megachile chrysopyga

Carpenter-Mimic Leafcutter Bee

Seven-Toothed Red Resin Bee

Megachile mystacea

Bufflehead Mason Bee

Coelioxys dolichos

Gold-Barred Resin Bee

Banded Mud Bee

Megachile pusilla

Megachile ferox

Twenty-Two-Spotted Woolcarder

Megachile punctata

Megachile policaris

Megachile chrysorrhoea

Coast Leafcutter Bee

Daily sighting probability by month

When they're spotted

Where to see Mason, Leafcutter, Carder, and Resin Bees

Parks Ranked

Cities Ranked