Eriocraniidae
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Photo © Antony Wren,  16-5-21 Dunwich Forest

Immature stages

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Dyseriocrania subpurpurella
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Eriocrania cicatricella

(Zetterstedt, 1839)11 / 2.006
=Eriocrania purpurella

Morley's Final Catalogue: In the utmost profusion from 6 April to 11 May, especially on 25 April 1932 when it seemed to be sitting on every bush in Bentley Woods; Barham, Coddenham, &c. (Morley); Tuddenham and Brandon (Warren).

Recent Status: The species is recorded in Suffolk.

Life Style: A single brooded species flying during April and early May. The larvae mine Betula during May and June.

Identification: The adult Eriocrania species are individually variable. Genitalia dissection is required to separate E. sangii, E. semipurpurella, Paracrania chrysolepidella, E. unimaculella and E. cicatricella.
E. salopiella has a beige or ochre head and thorax.
E. sparrmannella is deep purple with the golden spots forming transverse fasciae.
E. sangii has slightly larger spots basal of the tornal spot and a denser set of smaller spots beyond and large spots on the dorsum..
E. cicatricella has larger spots arranged longitudinally and often elongate.
Paracrania chrysolepidella has tornal spot absent or indistinct. Thorax is golden fuscous.
E. semipurpurella is a poorly marked species with a golden tornal spot.
E. unimaculella is a poorly marked species with a large silver white tornal spot.
More Info
The larval mines can be separated to some extent.
Paracrania chrysolepidella feeds on Carpinus and Corylus. All others on Betula.
E. salopiella and E. sparrmannella mines start away from the leaf edge. There are slight differences in the larval colouring.
E. cicatricella mines start at the leaf edge with more than one larvae per mine (not per leaf) with translucent white head and thorax.
E. sangii mine starts at the leaf edge. The larva is grey with a brown head.
E. semipurpurella mine starts at the edge of a leaf and the early instar larvae have a black head with a dark spot beyond. Later instar larvae with a brown head are difficult to separate from E. unimaculella which has a similar mine.
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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 8 (14%) of 58 10k Squares.
First Recorded in 2009.
Last Recorded in 2021.
Additional Stats

Eriocrania salopiella | Eriocrania semipurpurella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
16/05/2021625TM47 - Blythburgh/Dunwich
23/04/2020225TM24 - Woodbridge/Martlesham
07/05/2018+26TL98 - Knettishall
03/05/2014+26TL95 - Bradfield/Hitcham
28/04/2014125TM24 - Woodbridge/Martlesham
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Eriocrania cicatricella
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-13mm.
Flight: April and early May
Foodplant:   Birch.
Nat Status: Local
Verification Grade:  Adult: 4  Mine: R
 Immature Adult   [Show Flight Times]
     
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2024. © James Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ - Suffolk 2024
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