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Species · Beetles

Knotweed leaf beetle

Gastrophysa polygoni

536Records since 2000
MayPeak month
56Counties with records

When it is recorded

Jan0
Feb0
Mar3
Apr62
May184
Jun74
Jul71
Aug85
Sep24
Oct4
Nov2
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Lincolnshire England41
2Worcestershire England26
3Cambridgeshire England21
4Norfolk England17
5Kent England17
6Surrey England16
7Cornwall England14
8North Yorkshire England12
9Suffolk England10
10Devon England10
11Essex England9
12Isle of Anglesey Wales9
13East Lothian Scotland8
14Oxfordshire England7
15Pembrokeshire Wales7
480 England24 Scotland27 Wales5 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 56 counties in all.

About this species

Records since 2000
536
Peak month
May
Counties with records
56
Scientific name
Gastrophysa polygoni
Group
Beetles
NBN Atlas records since 2000
491
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Family
Chrysomelidae
Genus
Gastrophysa
Name with authority
Gastrophysa polygoni (Linnaeus, 1758)
Described
1758
Contributing datasets
21

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1316410 · GBIF 1048335