4.077 BF43 - Nepticulidae - Nepticulinae - Fomoria weaveri - Cowberry Dot

4.077 BF43 - Nepticulidae - Nepticulinae - Fomoria weaveri - Cowberry Dot - Stainton, 1855)

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

Leaf-miner: CAT L - The leaf or a Photo required -

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- Uncertain/Unknown - Insufficient Data - Leaf Miner

Taxonomy: Micro >> Nepticulidae

Other Name/s: Cowberry Pigmy

ID Difficulty: Red

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

ID pointers: No information at this time

Distribution: (Last record: 28/02/2025 at Chunal Moor ) - Nationally Scarce B – Derbyshire status uncertain but likely to be common on the upland moors where the food plant, Cowberry, exists.

Flight Period: April / May / June / July / August / - Adults emerge over a long period of time from April through to August

- The larvae mine the leaves of Cowberry, forming a narrow gallery mine and eventually turning into a blotch in the centre of the leaf, where it pupates in an inflated cavity.

Moth Activity: Cathemeral - occasionally attracted to light

*** Last updated on 28 February 2025 by TD ***

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Wingspan: 7mm

Food Plant: Cowberry

Last Recorded Date: 28/02/2025

Last Recorded By: Christian Heintzen

Last Recorded General Area: Chunal Moor

No First Date Information Recorded

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