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17.01 ~ 0460 ~ Ypsolopha parenthesella ~ White-shouldered Smudge
UK Status

Resident. Widespread and common throughout the British Isles.

Montgomeryshire Status

Fairly common throughout the county.

Wingspan :   M & F, 15-19mm.

Confusion species

Some forms of Y. ustella.
Flight time & Voltinity (Univoltine)


Mainly where oak is found.



Lifestage data

Spinning. Eggs laid on a twig of the foodplant. Larva feeds from a slight spinning. Pupates in a pale brown cocoon under a leaf, in a crevice or against the bark.
Montgomeryshire photos

Photo by PRW, 20th Sept 2008, Commins Coch

Photo by MDH, 5th Aug 2010, Llanfyllin

Photo by GBC, 30th July 2013, Lake Vrynwy