Eucalyptus gall wasp
Eucalyptus gall wasp causes small raised corky lumps on the older foliage and may result in excessive leaf fall. This minute insect was first detected in Britain in 2005 and it has spread across southern England.
Scientific name Ophelimus maskelli
Plants affected Eucalyptus
Main symptoms Small, slightly raised swellings appear on the leaves in spring
Most active March-June
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