When it is recorded
Jan0
Feb0
Mar3
Apr7
May44
Jun2
Jul9
Aug19
Sep5
Oct2
Nov0
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Cambridgeshire | England | 12 | |
| 2 | Kent | England | 5 | |
| 3 | Somerset | England | 5 | |
| 4 | Surrey | England | 4 | |
| 5 | Gwynedd | Wales | 4 | |
| 6 | Monmouthshire | Wales | 4 | |
| 7 | Suffolk | England | 3 | |
| 8 | Carmarthenshire | Wales | 3 | |
| 9 | North Yorkshire | England | 2 | |
| 10 | Nottinghamshire | England | 2 | |
| 11 | Pembrokeshire | Wales | 2 | |
| 12 | Falkirk | Scotland | 2 | |
| 13 | Highland | Scotland | 1 | |
| 14 | Argyll and Bute | Scotland | 1 | |
| 15 | Powys | Wales | 1 |
42 England5 Scotland38 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 18 counties in all.
About this species
- Records since 2000
- 97
- Peak month
- May
- Counties with records
- 18
- Group
- Mayflies
- NBN Atlas records since 2000
- 86
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Ephemeroptera
- Family
- Caenidae
- Genus
- Caenis
- Name with authority
- Caenis robusta Eaton, 1884
- Described
- 1884
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q7706834 · GBIF 5757635