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Leaf-miner
and case bearer: The larva initially makes a blotch mine in
the leaf, which it then excises to form its case. The larva overwinters
in its case before resuming feeding in spring. A new case, 6-7mm
long, is then constructed from a further blotch mine (UKMoths).
The second case is indistinguishable from C.
spinella and C.prunifoliae
(British
leafminers).
Larva:
Details unknown.
Pupa:
Pupation occurs within the case in June. In common with many other
Coleophora the case is attached to the upper side of a leaf
during this stage of the moths life cycle (UKMoths).
Hosts
in Britain:
| Rosaceae |
|
|
|
| Crataegus |
|
|
British
leafminers |
| Crataegus |
|
|
Plant,
in Pitkin & Plant, 2005 |
| Crataegus |
|
|
UKMoths |
| Malus |
|
|
British
leafminers |
| Malus |
|
|
Plant,
in Pitkin & Plant, 2005 |
| Malus |
|
|
UKMoths |
| Prunus |
|
|
British
leafminers |
| Prunus |
|
|
UKMoths |
| Prunus |
cerasus |
Dwarf
Cherry |
Plant,
in Pitkin & Plant, 2005 |
| Prunus |
padus |
Bird
Cherry |
Plant,
in Pitkin & Plant, 2005 |
| Prunus |
spinosa |
Blackthorn |
British
leafminers |
| Prunus |
spinosa |
Blackthorn |
Plant,
in Pitkin & Plant, 2005 |
| Prunus |
spinosa |
Blackthorn |
UKMoths |
Hosts
elsewhere:
Time
of year - mines: September to May (British
leafminers).
Time
of year - adults: A single generation from mid-June to the end
of July (UKMoths).
Distribution
in Britain: Scattered colonies throughout the UK (British
leafminers) including Denbigh, East Kent, North Hants, Salop,
South Essex, South Somerset, South-west York (NBN
Gateway distribution map - GiGL
and NE)
and the Channel Is. (Karsholt & van Nieukerken in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Croatia, Czech Republic, Estonia, French mainland, Germany, Hungary,
Italian mainland, Madeira, Romania, Russia - South, Sicily and Switzerland
(Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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