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Observed: 27th July 2013 By: flutterby
Added: 29th July 2013
I have seen a lot of blackfly on our garden Nasturtiums but then, I saw a lot of tiny caterpillars on the front of the leaf. They are approx 6mm long and very active. They have now moved to the underside of the leaf and are eating it away rapidly. I can find nothing that looks like these little caterpillars.