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Species · Bees, wasps and ants

Red Mason Bee

Osmia bicornis

9,008Records since 2000
AprilPeak month
119Counties with records

When it is recorded

Jan0
Feb6
Mar278
Apr3,953
May3,705
Jun781
Jul44
Aug11
Sep3
Oct2
Nov2
Dec1

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Worcestershire England291
2Kent England248
3Oxfordshire England227
4Norfolk England208
5Northamptonshire England165
6Cambridgeshire England161
7Cumbria England144
8City of Edinburgh Scotland121
9Surrey England115
10Rutland England112
11Devon England109
12Gloucestershire England105
13Suffolk England101
14Dorset England96
15Powys Wales96
7,556 England632 Scotland559 Wales166 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 119 counties in all.

About this species

Records since 2000
9,008
Peak month
April
Counties with records
119
Scientific name
Osmia bicornis
Group
Bees, wasps and ants
NBN Atlas records since 2000
7,823
Conservation designations
Scottish Biodiversity List
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Hymenoptera
Family
Megachilidae
Genus
Osmia
Name with authority
Osmia bicornis (Linnaeus, 1758)
Described
1758
Contributing datasets
29

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q111417805 · GBIF 5039315