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1912 ~ August Thorn ~ Ennomos quercinaria
UK Status

Resident. Local S,C.

Montgomeryshire Status

An uncommon species, but has been recorded from scattered sites around the county.

Wingspan :  M & F, 42-50mm.

Confusion species

September Thorn.

Flight time (Montgomeryshire)


Woodland, hedgerows, parkland, some gardens and scrub.


Oak, elm, beech, birch, hawthorn and blackthorn.

Lifestage data

Overwinters as an egg on the foodplant. Larva early May-mid July. Pupates amongst leaves of the foodplant.
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Montgomeryshire photos

Photo by PAR, 26th Aug 2014, Abermule