4.09 BF38 - Nepticulidae - Nepticulinae - Ectoedemia subbimaculella - Broken-barred Oak Dot

4.09 BF38 - Nepticulidae - Nepticulinae - Ectoedemia subbimaculella - Broken-barred Oak Dot - (Haworth, 1828)

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: Spotted Black Pigmy

ID Difficulty: Red

- difficult to identify - detailed examination required, often a Gen Det and/or specimen and quality photographs are required.
Confusion Species: Ectoedemia heringi, Ectoedemia albifasciella

ID pointers: Adults are quite distinctive, with two creamy spots and a creamy basal patch on a violet-tinged blackish forewing. Similar to E.herengi

Distribution: (Last record: 2023 at Poppy Wood ) - Uncertain due to insufficient data – 1 record prior to 2010 – 2 records from Poppy Wood 2018 & 2023

Flight Period: June / July /

Mine Period: October / November / December / - Larvae mine the leaves of Oak, initially in a gallery following a vein, then creating a triangular blotch between vein and midrib. It can be distinguished from the similar mines of E. heringi by the presence of a slit in the lower epidermis which allows frass and water to pass.

Moth Activity: Cathemeral - occasionally attracted to light

Photographed: No - Photographed By: Not Recorded

*** Last updated on 18 February 2025 by TD ***

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Wingspan: 5-6mm

Food Plant: Oak

Last Recorded Year: 2023

Last Recorded By: Graham Finch

Last Recorded General Area: Poppy Wood

No First Date Information Recorded

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