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Image Subject Name Scientific Name Description
1255003 oak casebearer Coleophora lutipennella
2122003 gypsy moth Lymantria dispar Over 300 egg masses found on this single tree. July 2004.
1255001 oak casebearer Coleophora lutipennella Overwintering larva in its pergamentous whitish case. If opened (case), dark brown caterpillar with shiny black head is found inside. Larva feeds with the bud interior almost completely boring inside the still closed bud. Overwintering loci are always on twigs in sheltered crevices near the buds. Case grows as larva gets bigger and after the pupation moths emerge in late spring - summer. Common pest sometimes causing mild damages on pedunculate oak (Quercus robur) stands in Croatia.
1255002 oak casebearer Coleophora lutipennella Boring holes left after the larva of the oak case-bearer consumed the interior of the bud. The buds with such damages will never leaf.

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