15.009 BF287 – Caloptilia robustella – (Shaded Oak Stilt)

15.009 BF287 - Gracillariidae - Gracillariinae - Caloptillia robustella - Shaded Oak Stilt

Adult Micro: CAT 4 - Gen. Det. Required -

Leaf-miner: CAT R - Moth will need to be reared and possibly dissected -

- click for Verification Guidelines

- Significant Record / Very Rare / Vagrant - Leaf Miner

Taxonomy: Micro >> Gracillariidae

Other Name/s: New Oak Slender

ID Difficulty: Red

- difficult to identify - detailed examination required, often a Gen Det and/or specimen and quality photographs are required.

ID pointers: Very similar to C. alchimiella, shorter and less clearly defined yellow blotch on the forewing. Only reliably separated by dissection.

Distribution: (First record: 04/10/2001 ) - (Last record: 09/05/2020 at Findern ) - 1st county record 4th Oct 2001 – very few records. This species needs to be recorded as aggregate Caloptilia alchimiella/robustella if uncertain.

Flight Period: April / May / June / July / August / September / - Two generations – April – June and July – Sept

Mine Period: May / June / September / October / - Short gallery becoming a blotch. Later in up to three cones at the edge of the leaf.

Moth Activity: Nocturnal - and is attracted to light

Photographed: No - Photographed By: Not Recorded

Wingspan: 10-13mm

Food Plant: Oak

Last Recorded Date: 09/05/2020

Last Recorded By: Brian & Jean Hallam

Last Recorded General Area: Findern

First Recorded Date: 04/10/2001

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