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Species · Butterflies and moths

Silky Wave

Idaea dilutaria

104Records since 2000
JulyPeak month
6Counties with records

When it is recorded

Jan0
Feb0
Mar0
Apr4
May6
Jun4
Jul90
Aug0
Sep0
Oct0
Nov0
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Swansea Wales42
2Conwy Wales18
3Bristol, City of England4
4Cambridgeshire England3
5Surrey England1
6Wirral England1
32 England72 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 6 counties in all.

About this species

Records since 2000
104
Peak month
July
Counties with records
6
Scientific name
Idaea dilutaria
Group
Butterflies and moths
NBN Atlas records since 2000
104
Conservation designations
GB Red List (pre-1994 criteria), Biodiversity List – England, Biodiversity List – Wales, UK BAP priority species
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Lepidoptera
Family
Geometridae
Genus
Idaea
Name with authority
Idaea dilutaria (Hübner)

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q137085 · GBIF 5146862