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Ministry of Agriculture, Food and Rural Affairs

insect Identification Key

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Leaves are discoloured
Leaves are discoloured (purple or red), thick and tightly curled inwards towards the mid vein.
Leaves are folded over and webbing and chewing is present
Leaves are folded over and webbing and chewing is present; a green larvae with a brown or black head may be present.
Leaves are folded over and webbing and chewing is present
Leaves are curled and a sticky substance is present on the leaves; insects with cornicles (tail pipes) may be present.
Leaves are folded over and webbing and chewing is present
Leaves are pale green and curl downward at the margins; yellowish green nymphs which move sideways quickly when disturbed may be present.