When it is recorded
Jan1
Feb8
Mar24
Apr47
May47
Jun27
Jul34
Aug42
Sep26
Oct26
Nov19
Dec5
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Norfolk | England | 52 | |
| 2 | Cambridgeshire | England | 32 | |
| 3 | Armagh City, Banbridge and Craig | Northern Ireland | 25 | |
| 4 | Nottinghamshire | England | 22 | |
| 5 | East Riding of Yorkshire | England | 19 | |
| 6 | North Yorkshire | England | 18 | |
| 7 | Newry, Mourne and Down | Northern Ireland | 17 | |
| 8 | Doncaster | England | 15 | |
| 9 | York | England | 11 | |
| 10 | North Lincolnshire | England | 11 | |
| 11 | Lincolnshire | England | 7 | |
| 12 | Essex | England | 6 | |
| 13 | Worcestershire | England | 3 | |
| 14 | Cheshire East | England | 2 | |
| 15 | Wirral | England | 2 |
260 England8 Wales37 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 32 counties in all.
About this species
- Records since 2000
- 315
- Peak month
- April
- Counties with records
- 32
- Group
- Beetles
- NBN Atlas records since 2000
- 317
- Most recorded in
- Norfolk
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera
- Family
- Dytiscidae
- Genus
- Hydroporus
- Name with authority
- Hydroporus dorsalis (Fabricius, 1787)
- Described
- 1787
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 6995752