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1510 ~ Merrifieldia leucodactyla
UK Status

Resident. Widely distributed throughout Britain, more common in the south.

Montgomeryshire Status

First discovered in the east of the county at Llanymynech Hill in 1930 and not seen since, until it was recorded again in the same area in 2010.

Wingspan :   M & F, 18-25mm.

Confusion species

M. tridactyla.
Flight time & Voltinity (Univoltine)


Downland, dunes and light woods.


Wild thyme.

Lifestage data

Eggs laid on foodplant. Larva feed openly on leaves. Pupates on the host plant.
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Montgomeryshire photos

Photo by PM, 23th June 2017, Llanymynech