Gracillariidae : Gracillariinae
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Photo © James Lowen,  26/07/2019 - Norwich - Leg. Justin Farthing (Gen. Det. J Clifton)

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Similar Norfolk Species
Caloptilia honoratella
Pale Maple Stilt
Caloptilia falconipennella
Dark Alder Stilt
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Caloptilia hemidactylella
Scarce Maple Stilt

([Denis & Schiffermüller], 1775)291 / 15.013
=Sycamore Slender

Norfolk status
Very rare in Britain, only known from a few central English counties.

Very similar to Caloptilia honoratella, variegated forms of Caloptilia elongella and C. betulicola, aslo summer form of C. falconipennella.
The presence of three red-brown bands in the terminal cilia aid determination, but will require a Gen. Det. to confirm.

It is now regarded that all Acer feeding caloptilia species require dissection to separate yellow banded summer broods. [C.W. Plant (2022) Ent. Rec. 134]

Up until recently it was thought unlikely to occur in Norfolk, however, recently recorded in Suffolk on several occasions from 2013 (males and females)

It is now thought that this species will feed on field maple as well as possibly sycamore, any mines found should be reared through to confirm.

Listed by Barrett in 1874 at Merton.

New for VC27 and first post-Victorian record at Norwich in 2019 (J. Farthing, 26/07/19 - Gen. Det. J. Clifton)

[MBGBI Vol 2]

Determination by Genitalia Examination (gen. det.) Required

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

Recorded in 7 (9%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2024.
Additional Stats

Caloptilia semifascia | Caloptilia honoratella >

26-07-2019 - Leg. J. Farthing - Norwich Male - Jon Clifton
31-07-2019 - Leg. J. Farthing - Norwich Female - Jon Clifton
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
30/03/2024127TG10Cringleford (UEA)
25/09/2023128TL78Weeting Heath (Gravelpit Wood)
13/05/2022128TL78Weeting Heath (Gravelpit Wood)
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Caloptilia hemidactylella
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Wingspan: 12-14mm
Flight: September - overwintering
Foodplant:   Sycamore (possibly other maples)
Nat Status: pRDB1
Verification Grade:  Adult: 4  Mine: R
 Immature Adult   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2024. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ 2024
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