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Species · Stoneflies

Willow Fly

Leuctra geniculata

1,342Records since 2000
AprilPeak month
39Counties with records

When it is recorded

Jan0
Feb0
Mar73
Apr446
May356
Jun69
Jul112
Aug88
Sep155
Oct38
Nov2
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Powys Wales325
2Gwynedd Wales97
3Pembrokeshire Wales97
4Carmarthenshire Wales95
5Monmouthshire Wales91
6Isle of Anglesey Wales90
7Worcestershire England36
8Ceredigion Wales36
9Herefordshire, County of England26
10Wrexham Wales23
11Scottish Borders Scotland22
12Dumfries and Galloway Scotland20
13Denbighshire Wales20
14Swansea Wales17
15Conwy Wales15
89 England93 Scotland1,139 Wales1 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 39 counties in all.

About this species

Records since 2000
1,342
Peak month
April
Counties with records
39
Scientific name
Leuctra geniculata
Group
Stoneflies
NBN Atlas records since 2000
1,318
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Plecoptera
Family
Leuctridae
Genus
Leuctra
Name with authority
Leuctra geniculata Stephens, 1836
Described
1836
Contributing datasets
14

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q10490273 · GBIF 2001671