The first sign of damage will be noticed at the
base of the bushes. This is where the eggs are laid and where
the caterpillars hatch and first look for food.
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How to Treat Gooseberry Sawfly
Preventative treatment consists of spraying the tree with
derris (safe to humans and garden wildlife) when the Gooseberry
Sawfly caterpillars are first noticed. This is likely to be
around June time although they can be active up to the end of
Other preventative treatment is to clear all
fallen leaves and debris from around the base of the bushes
making it less likely that the flies will lay their eggs around
your precious bush fruit!
Chemical treatments are available to treat this
pest at your garden centre or nursery. Be sure to check that
they are safe for use on fruit which is to be eaten.