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Species · Mayflies

Yellow Mayfly

Potamanthus luteus

362Records since 2000
SeptemberPeak month
8Counties with records

When it is recorded

Jan0
Feb7
Mar25
Apr52
May61
Jun16
Jul48
Aug30
Sep90
Oct23
Nov9
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Monmouthshire Wales129
2Herefordshire, County of England86
3Worcestershire England45
4Telford and Wrekin England22
5Powys Wales18
6Wrexham Wales6
7Gloucestershire England4
8Dorset England1
205 England151 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 8 counties in all.

About this species

Records since 2000
362
Peak month
September
Counties with records
8
Scientific name
Potamanthus luteus
Group
Mayflies
NBN Atlas records since 2000
353
Conservation designations
Biodiversity List – England, GB Red List (2001 IUCN criteria), Rare and scarce species, Biodiversity List – Wales, UK BAP priority species
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Ephemeroptera
Family
Potamanthidae
Genus
Potamanthus
Name with authority
Potamanthus luteus (Linnaeus, 1767)
Described
1767

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3399929 · GBIF 1407105