Major plant pest causing considerable plant damage to a wide variety of plants. Large, irregular holes can be seen on leaves often with feeding damage occuring on the leaf edges. Black frass (droppings) also usually visible. The caterpillars are usually visible on the plant and feed during the day. Caterpillars are the grubs of butterflies and moths and have legs along the length of their body. Product Solution: Spray with Provado Ultimate Fruit and Vegetable Bug Killer RTU/ Concentrate or Sprayday Greenfly Killer when caterpillars are present, Provado Ultimate Bug Killer Ready to Use/Concentrate. Cultural measures: Remove and destroy clusters of eggs when seen. Pick off caterpillars by hand where ever possible.