Feeding commonly on leaves, seedlings, shoots, flowers and fruit. Large, irregular holes can be seen on leaves often with feeding damage occurring to the leaf edges. Black frass (droppings) can also be seen on the leaves. Cabbage White caterpillars are a common pest of brasica plants.
Product Solution: Spray with Sprayday Greenfly Killer, Provado Ultimate Fruit and Vegetable Bug Killer ready to use / concentrate, Provado Ultimate Bug Killer Concentrate 2, ready to use.
Cultural measures: Remove and destroy caterpillars and clusters of eggs if/whenever possible.