When it is recorded
Jan8
Feb23
Mar579
Apr1,416
May772
Jun92
Jul67
Aug21
Sep209
Oct300
Nov255
Dec13
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Powys | Wales | 753 | |
| 2 | Gwynedd | Wales | 509 | |
| 3 | Ceredigion | Wales | 309 | |
| 4 | Conwy | Wales | 219 | |
| 5 | Carmarthenshire | Wales | 213 | |
| 6 | Denbighshire | Wales | 145 | |
| 7 | Highland | Scotland | 141 | |
| 8 | Pembrokeshire | Wales | 130 | |
| 9 | Dumfries and Galloway | Scotland | 119 | |
| 10 | Wrexham | Wales | 111 | |
| 11 | Aberdeenshire | Scotland | 109 | |
| 12 | Worcestershire | England | 73 | |
| 13 | Perth and Kinross | Scotland | 60 | |
| 14 | Isle of Anglesey | Wales | 53 | |
| 15 | Monmouthshire | Wales | 44 |
148 England655 Scotland2,785 Wales4 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 55 counties in all.
About this species
- Records since 2000
- 3,775
- Peak month
- April
- Counties with records
- 55
- Scientific name
- Isoperla grammatica
- Group
- Stoneflies
- NBN Atlas records since 2000
- 3,638
- Most recorded in
- Powys, Gwynedd, Ceredigion, Conwy, Carmarthenshire, Denbighshire, Highland, Pembrokeshire, Dumfries and Galloway, Wrexham, Aberdeenshire, Worcestershire +2
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Plecoptera
- Family
- Perlodidae
- Genus
- Isoperla
- Name with authority
- Isoperla grammatica (Poda, 1761)
- Described
- 1761
- Contributing datasets
- 24
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q6385304 · GBIF 2004039