Gracillariidae : Gracillariinae
Photo © Dave Appleton,  20/05/2016 - Cranwich Heath - male (gen det)

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

Jäckh, 197215.009/287
Norfolk status
Very similar to C. alchimiella, shorter and less clearly defined yellow blotch on the forewing. Only reliably separated by dissection.

Determination by Genitalia Examination (gen. det.) Required

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.

Recorded in 16 (23%) of 69 10k Squares.
First Recorded in 1989.
Last Recorded in 2016.


Caloptilia alchimiella/robustella  |  Caloptilia stigmatella >

Caloptilia robustella Weeting Heath 27.v.2013 slide IB402 (I. Barton)
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
20/05/2016128TL79 - Methwold/Foulden
23/08/2015128TF63 - Snettisham/Dersingham
21/08/2015+28TF92 - Fakenham/Ryburgh
13/08/2015128TF92 - Fakenham/Ryburgh
26/06/2015128TF92 - Fakenham/Ryburgh
Express Record Caloptilia robustella
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Copyright © Jim Wheeler 2016

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-13mm
Season: Two Generations. Apr-June. Jul-Sept.
Foodplant:   Oak
Nat Status: Common
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2016. © James Wheeler - Norfolk Moths 2016. Data © NOLA™ 2016