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Plutella xylostella
Diamond-back (Linnaeus, 1758)
Plutellidae
464 / 18.001
Photo © Peter Simpson,  31/05/2016 - North Pickenham

Similar Norfolk Species
Grey-streaked Diamond-back
Plutella porrectella
Wingspan: 12-17mm
Flight: Two (Three) Generations. May - Sept
Foodplant:   Brassica spp. or Cruciferae.
Nat Status: Migrant
Verification Grade:  Adult: 1
Norfolk Status
Common immigrant from mainland Europe.

Can be found in any habitat under favourable conditions with many thousands recorded at coastal sites.

Whole fields of crops were destroyed in a great immigration of 1891 [MBGBI 3:99]

A vast migrant swarm was recorded nationally in 2016, with several million estimated in Norfolk the first week of June.
.

Video by Ryan Irvine - Hemsby 01/06/16

Recorded in 66 (96%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
28/11/2019127TG10 - Wymondham/Cringleford
26/11/2019127TG10 - Wymondham/Cringleford
24/11/2019127TG50 - Yarmouth
24/11/2019128TL79 - Methwold/Foulden
05/11/2019128TF62 - King's Lynn/Dersingham
Further info: Plutella xylostella
 
UK Moths
Mothdissection UK
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Lepiforum.de Norfolk Moths (Full)
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