Agonopterix assimilella

Alternative names
Dusted Flat-body

Wingspan 15 to 21 mm. The adults are rather similar to other Agonopterix species and can be difficult to determine without dissection.

Identification difficulty

Areas where the larval foodplant is found.

When to see it

The adults of this species fly between April and June, and are sometimes attracted to mercury vapour light.

Life History

The foodplant is broom, the larvae living initially inside the stems, subsequently feeding externally.

UK Status

Locally scattered throughout most of the British Isles. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

VC55 Status

It appears to be uncommon in Leicestershire and Rutland, where there are few records. L&R Moth Group status = D (rare or rarely recorded).

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map