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Eucosma hohenwartiana
Common Knapweed Tortrix ([Denis & Schiffermüller], 1775)
Tortricidae: Olethreutinae
1200 / 49.266
Photo © Jim Swalwell,  Holme NWT

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Similar Species
Hoary Tortrix
Eucosma cana
Shaded Tortrix
Eucosma obumbratana
Wingspan: 15-22mm
Flight: June to August. (Sept)
Foodplant:   Common Knapweed
Nat Status: Common
Verification Grade:  Adult: 2
Status
Common.
Dry, open and grassy areas.

Large specimens may be confused with E. cana but can be distinguished by the darker ground colour.

Found in rough grassland, especially on the coast and on chalk downs, waysides, embankments and margins of woods.

Pale specimens, especially ​if found in proximity to the larval foodplant Greater Knapweed, should be considered as candidates for Eucosma fulvana (see species)

Recorded in 53 (72%) of 74 10k Squares.
First Recorded in 1834.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
17/09/2023128TF63Snettisham
05/09/2023128TF74Titchwell
24/08/2023127TG04Cley next the Sea
22/08/2023127TG04Cley next the Sea
21/08/2023127TG04Cley next the Sea
21/08/2023127TG23North Walsham
20/08/2023227TG04Cley next the Sea
19/08/2023327TG04Cley next the Sea
19/08/2023128TF72Grimston
17/08/2023227TG04Cley next the Sea
Further info: Eucosma hohenwartiana
 
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