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Species · Butterflies and moths

Brown Hairstreak

Thecla betulae

2,458Records since 2000
AugustPeak month
17Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan54
Feb88
Mar26
Apr1
May5
Jun5
Jul168
Aug1,233
Sep822
Oct14
Nov22
Dec17

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

Where it is recorded

#CountyNationRecordsShare
1Surrey England498
2Somerset England189
3Dorset England113
4Carmarthenshire Wales40
5Pembrokeshire Wales29
6Ceredigion Wales20
7Oxfordshire England19
8Brighton and Hove England17
9Devon England14
10Lincolnshire England9
11Torbay England6
12Cumbria England4
13Bath and North East Somerset England2
14Suffolk England1
15Gloucestershire England1
2,367 England89 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 17 counties in all.

About this species

Records since 2000
2,458
Peak month
August
Counties with records
17
IUCN Red List
Least Concern
Scientific name
Thecla betulae
Group
Butterflies and moths
NBN Atlas records since 2000
2,251
Most recorded in
Surrey, Somerset, Dorset
Conservation designations
Wildlife and Countryside Act 1981, Biodiversity List – England, Biodiversity List – Wales, GB Red List (2001 IUCN criteria), UK BAP priority species
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Lepidoptera
Family
Lycaenidae
Genus
Thecla
Name with authority
Thecla betulae (Linnaeus, 1758)
Described
1758
Contributing datasets
14

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1049370 · GBIF 1930110