15.078 BF356 - Gracillariidae - Lithocolletinae - Phyllonorycter tristrigella - Elm Leaf-miner

15.078 BF356 - Gracillariidae - Lithocolletinae - Phyllonorycter tristrigella - Elm Leaf-miner - (Haworth, 1828)

Adult Micro: CAT 2 - Confusion Species - Leaf-miner: CAT L - The leaf or a Photo required -

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- Uncertain/Unknown - Insufficient Data - Leaf Miner

Taxonomy: Micro >> Gracillariidae

Other Name/s: Elm Midget

ID Difficulty: amber

- care required in the identification process, as confusion with similar species is likely - quality photographs required.
Confusion Species: Phyllonorycter schreberella (Shining Elm Leaf-miner); Phyllonorycter stettinensis (Lesser Alder Leaf-miner)

ID pointers: None at this time

Distribution: (Last record: 05/03/2025 at Poppy Wood ) - Uncertain as so few records, all of which are of the leaf mines. Five records between 2008 – 2023

Flight Period: May / August / - Two generations May & August

Mine Period: July / September / October / - A long, narrow and tubular mine blotch mine on underside of Elm leaves, between two veins

Moth Activity: Cathemeral

*** Last updated on 5 March 2025 by TD ***

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Wingspan: 7 -8.5mm

Food Plant: Elm

Last Recorded Date: 05/03/2025

Last Recorded By: Graham Finch

Last Recorded General Area: Poppy Wood

No First Date Information Recorded

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