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0621 ~ Elachista subalbidella
UK Status

Resident. A widely distributed species across much of the UK.

Montgomeryshire Status

This species was first recorded in 2018 at Cors Dyfi Nature Reserve in the far west of the county.

Wingspan :  M & F 10-13mm.

Confusion species

Many species of Elachista are extremely similar, great care should be given when separating these species.
Flight time & Voltinity (Univoltine)


Moors and heaths.


Mainly purple moor grass, but other species of grasses are use as well.

Lifestage data

Leaf miner. Eggs laid on grass tip. Larva mines the grass blade in a downwards direction. Pupates: undescribed.
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Montgomeryshire photos

Photo by MMG, 2nd June 2018, Cors Dyfi