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16.008 ~ 0431 ~ Yponomeuta sedella ~ Grey Ermine
UK Status

Resident. Local, in England and Wales as far north as Lincolnshire.

Montgomeryshire Status

Recorded from the west of the county.

Wingspan :   M & F, 15-18mm.

Confusion species

Flight time & Voltinity (Bivoltine)


Wherever the foodplant is found.



Lifestage data

Leaf miner/web forming. Eggs laid on the foodplant. Larva first mines the leaves, then feed gregariously in a web. Pupates on the ground in the leaf litter.
Montgomeryshire photos

Photo by PRW, 7th Aug 2007, Commins Coch

Photo by PB, 26th July 2011, Morben ISAF

Photo by PRW, 3rd July 2013, Commins Coch