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Eriocrania sangii
Large Birch Purple (Wood, 1891)
12 / 2.008
Photo © Dave Appleton,  17/04/2018 - North Elmham - female (hindwing scales & abdominal sensoria checked)

Similar Norfolk Species
Early Purple
Eriocrania semipurpurella
Common Oak Purple
Dyseriocrania subpurpurella
Wingspan: 9-14 mm.
Season: March and April
Foodplant:   Birch.
Nat Status: Local
Verification Grade:  Adult: 4  Mine: R
Norfolk Status
Scarce. (probably over-looked)
Birch woodland.
Larvae mine (leafmine), creating a blotch mine, in leaves of foodplant. March - May.

Very similar to E. semipurpurella requires reference to the genitalia.

(Note: Females cannot be determined via genitalia)

Verification Grade Comment: Mine: Reared or larval morphology

Determination by Genitalia Examination (gen. det.) Required

Mine: Moth needs to be reared and, in some cases, possibly dissected.

Recorded in 23 (33%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
28/05/2019127TG20 - Norwich
12/05/2019+27TG30 - Brundall/Cantley
12/05/2019227TG30 - Brundall/Cantley
06/05/2019728TM07 - Roydon/Blo Norton
26/04/2019128TL78 - Hockwold/Weeting
Further info: Eriocrania sangii
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