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Caloptilia elongella
Alder Stilt (Linnaeus, 1761)
Gracillariidae: Gracillariinae
282 / 15.004
Photo © Dave Appleton,  15/07/2018 - North Elmham (female, gen det)

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Similar Species
Birch Stilt
Caloptilia betulicola
Maple Stilt
Caloptilia semifascia
Wingspan: 14-16mm
Flight: June and Sept - April. (overwinters)
Foodplant:   Alder
Nat Status: Common
Verification Grade:  Adult: 3/4  Mine: A
Status
Common.

One of the less well marked Caloptilia and very similar to some forms of C. betulicola, dissection is then necessary for identification.

Possibly triple brooded, hibernates, and can be found throughout the year.

Leaf-mine: May, July.
Larvae feed at first in a mine, and later in a folded or rolled leaf of Alder.

Recorded in 39 (53%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
30/11/2023227TG33Ridlington
23/10/2023227TG13Hempstead
21/10/2023+28TF93Thursford
19/10/2023128TM09Great Ellingham
16/10/2023128TF92Great Ryburgh
08/10/2023228TL99Rockland St Peter
30/09/2023127TG51Scratby
27/09/2023+27TG02Foxley Wood
25/09/2023+27TG22Buxton
16/09/2023+28TF71West Acre
Further info: Caloptilia elongella
 
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