Gracillariidae : Gracillariinae
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Photo © Dave Appleton,  19/08/2012 - Bawdeswell - male gen. det. J Clifton

Similar Norfolk Species
Caloptilia alchimiella
Yellow-triangle Slender
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Caloptilia robustella
New Oak Slender
Jäckh, 1972287 / 15.009
Norfolk status
Very similar to C. alchimiella, shorter and less clearly defined yellow blotch on the forewing. Only reliably separated by dissection.


Please record as the aggregate Caloptilia alchimiella/robustella if undetermined.

Leaf-mine: May - July, September - October.
Short gallery becoming a blotch. Later in up to three cones at the edge of the leaf.
Note: You cannot separate these from C.alchimiella 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 27 (36%) of 74 10k Squares.
First Recorded in 1989.
Last Recorded in 2021.
Additional Stats

< Caloptilia alchimiella/robustella  |  Caloptilia stigmatella >

Determination
Caloptilia robustella Weeting Heath 27.v.2013 slide IB402 (I. Barton)
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
08/09/2021128TF81 - Castle Acre/Litcham
02/09/2021128TF81 - Castle Acre/Litcham
27/07/2021127TG13 - Baconsthorpe
16/06/2021128TF63 - Snettisham/Dersingham
16/06/2021228TF81 - Castle Acre/Litcham
 Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Caloptilia robustella
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Copyright © Jim Wheeler 2021
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-13mm
Flight: Two Generations. Apr-June. Jul-Sept.
Foodplant:   Oak
Nat Status: Common
Verification Grade:  Adult: 4  Mine: R
 Immature Adult
Further info: Caloptilia robustella
 
British Leafminers
UK Moths
Suffolk Moths
Cambs Moths
Huntingdon HMBG
Essex Field Club
West Midlands Moths
Hants Moths
Dorset Moths
Somerset Moth Group
Yorkshire Moths
Svenska fjarilar
Lepiforum.de
NBN Atlas
Historical UK Distribution (pre 2013)
Moth Dissection UK

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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ 2021
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