15.003 BF281 - Gracillariidae - Gracillariinae - Caloptilia populetorum

15.003 BF281 - Gracillariidae - Gracillariinae - Caloptilia populetorum - Black-dot Stilt

Adult Micro: CAT 2 - Confusion Species - Leaf-miner: CAT R - Moth will need to be reared and possibly dissected -

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- Significant Record / Very Rare / Vagrant - Leaf Miner

Taxonomy: Micro >> Gracillariidae

Other Name/s: Clouded Slender

ID Difficulty: Red

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

ID pointers: A characteristic resting pose, with the body raised on the front legs. The forewing can be pale yellowish brown through to darkish brown. The paler specimens (like this one) have a distinctive blackish spot along the costa about half way and two more at the wing tip with dark cilia.

Distribution: (First record: 10/07/2010 at Kings Newton ) - (Last record: 17/07/2024 at Belper ) - Not listed in Harrison & Sterling (1988) – The urrent status in Derbyshire is unknown due to insufficient data. A species that seems to be expanding its range. First documented record 10/7/2010 Kings Newton. Very few records since.

Flight Period: April / May / August / - On the wing from August onwards. They overwinter, so can then be seen in April – May

Mine Period: July / August / September / - The larvae mine and feed on birch later rolling a leaf and living within.

Wingspan: 11-14mm

Food Plant: Birch

Last Recorded Date: 17/07/2024

Last Recorded By: Dave Evans

Last Recorded General Area: Belper

First Recorded Date: 10/07/2010