Epinotia abbreviana
Epinotia abbreviana
Larva • Late instar from leaf spinning near (lower image) signs of earlier feeding on Ulmus glabra. May. Cheshire. Imago reared. • © Ian Smith

49.234 BF1150
Epinotia abbreviana

(Fabricius, 1794)

Wingspan 12 mm - 16 mm

E. abbreviana varies greatly in the strength of its markings and darkness of colour.

It flies in June and July at dusk and night, wherever elms occur on lowland sites, throughout the British Isles. During daylight, it often sits exposed on foliage or trunks.

In April, the early instar larva eats through an elm (Ulmus spp.) bud. When the bud opens, it reveals a highly distinctive arc of holes caused by the larva, but by this time the larva has moved to a spinning made with another elm leaf. Pupation occurs in late May or early June. Field maple (Acer campestre) is also eaten (BTS).
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