Gracillariidae : Gracillariinae
Photo © Dave Appleton,  07/06/2014 - Bawdeswell Heath (female, gen det J Clifton)

Similar Norfolk Species
Caloptilia alchimiella
Yellow-triangle Slender
Caloptilia robustella
287 New Oak Slender
Jäckh, 197215.009
Norfolk status
Woodland, heathland ad scrub.
Very similar to C. alchimiella, shorter and less clearly defined yellow blotch on the forewing. (gen.det advised)

First gen appears around three weeks before C.alchimiella, flying any time between April and November. (C. alchimella flight period is from May to July only)

Determination by Genitalia Examination (gen. det.) Required

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

Leaf-mine: May - July, September - October.
Short gallery becoming a blotch. Later in up to three cones at the edge of the leaf.

Recorded in 29 (42%) of 69 10k Squares.
First Recorded in 1989.
Last Recorded in 2014.


‹ Caloptilia alchimiella/robustella  |  Caloptilia stigmatella ›

Caloptilia robustella Weeting Heath 27.v.2013 slide IB402 (I. Barton)
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Copyright © Jim Wheeler 2015

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™ 2015. © James Wheeler - Norfolk Moths 2015. Data © NOLA™ 2015