Argyresthia semitestacella

Alternative names
Large Beech Argent

Wingspan 11 to 14mm. One of the larger of the Argyresthia species. It has a relatively plain golden brown forewing with a whitish dorsal streak extending for much of the forewing length.

Identification difficulty

In areas where the larval foodplant, Beech is found.

When to see it

It is quite a late flyer, being on the wing in August and September.

Life History

The larva feeds on the shoots of beech (Fagus), and can be found in May and June.

UK Status

This species is distributed fairly widely but locally over much 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).

20.024 BF423

be our species champion

Leicestershire & Rutland Map


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

UK Map