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Species · Mayflies

Baetis vernus

153Records since 2000
SeptemberPeak month
23Counties with records

When it is recorded

Jan0
Feb0
Mar2
Apr10
May26
Jun12
Jul30
Aug21
Sep31
Oct15
Nov1
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Ceredigion Wales42
2Carmarthenshire Wales17
3Surrey England10
4Gwynedd Wales9
5Norfolk England7
6Essex England4
7Devon England4
8Nottinghamshire England4
9Gloucestershire England3
10Powys Wales3
11Monmouthshire Wales3
12Denbighshire Wales3
13Dorset England2
14Worcestershire England2
15Aberdeenshire Scotland2
32 England5 Scotland84 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 23 counties in all.

About this species

Records since 2000
153
Peak month
September
Counties with records
23
Group
Mayflies
NBN Atlas records since 2000
130
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Ephemeroptera
Family
Baetidae
Genus
Baetis
Name with authority
Baetis vernus Curtis, 1834
Described
1834

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q2878880 · GBIF 4481086