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Bud-borer:
The larva bores into expanding leaf buds, and later skeletonizes
young leaves, rarely mining a leaf in the usual manner of other
Coleophora species. It builds a 'pistol case' from silk and
fragments of leaf and frass. The sides of the case are usually adorned
with hairs from the leaf surface, this feature serving to distinguish
it from the similar case of C.
anatipennella, which feeds on sloe (Prunus
spinosa) and other rosaceous trees and shrubs (UKMoths).
Larva:
Details unknown.
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - larvae: Autumn-May (British
leafminers).
Time
of year - adults: June and July, and often comes to mercury
vapour light (UKMoths).
Distribution
in Britain: Widely distributed in the southern half of the British
Isles in wet or marshy areas, damp woodland and fixed dunes (UKMoths)
including East Kent, North Somerset, South Hants, South Lancaster
and West Cornwall (NBN
Gateway distribution map - BRERC,
NE
and SHWRG)
and Ireland (Karsholt & van Nieukerken in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Crete, Czech Republic, Danish mainland, Estonia, Finland, French
mainland, Germany, Hungary, Italian mainland, Latvia, Liechtenstein,
Lithuania, Luxembourg, Norwegian mainland, Poland, Portuguese mainland,
Romania, Russia - East and South, Sicily, Slovakia, Slovenia, ?
Spanish mainland, Sweden, Switzerland and The Netherlands (Karsholt
& van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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