Gracillariidae : Gracillariinae
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Photo © Dave Appleton,  31/08/2015 - North Elmham - male (gen det)

Similar Norfolk Species
Caloptilia robustella
New Oak Slender
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Caloptilia alchimiella
Yellow-triangle Slender

(Scopoli, 1763)15.008/286
Norfolk status
Difficult to distinguish from the recently separated C. robustella

please record undetermined specimens as the aggregate Caloptilia alchimiella/robustella



Leaf-mine: July - Oct.
Narrow gallery leading to a squarish or triangular blotch. Then forms up to three successive cones by folding the lobe of a leaf downwards.
Note: You cannot separate these from C. robustella unless you examine the pupa or breed out.

Determination by Genitalia Examination (gen. det.) Required

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

Recorded in 15 (22%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2017.
Additional Stats

Caloptilia azaleella  |  Caloptilia alchimiella/robustella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
28/08/2017128TL79 - Methwold/Foulden
14/08/2017228TL78 - Hockwold/Weeting
08/06/2017128TF92 - Fakenham/Ryburgh
26/05/2017128TF92 - Fakenham/Ryburgh
08/05/2017128TF92 - Fakenham/Ryburgh
Show Details | 1990 to 2017 | 2000 to 2017 |
Express Record Caloptilia alchimiella
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Copyright © Jim Wheeler 2018

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-13mm
Season: May - July (possibly as two separate broods)
Foodplant:   Oak
Nat Status: Common
Verification Grade:  Adult: 4  Mine: R
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2018. © James Wheeler - Norfolk Moths 2007 - 2018. Data © NOLA™ 2018