Leafhoppers attack a wide range of trees, shrubs and grasses. However the nymphs and adults frequently suck the sap of only afew types of plants. Besides stunting plant growth and vigour due to loss of sap, some Leafhoppers introduce a toxin into the plant as they feed and some can introduce disease organisms into the plant. Plants grown in sheltered areas or against a wall can be more severely attacked and by late summer alot of the green colour within the leaves will have gone Leafhopppers can vary in colour from brown through to yellow and green and reside on the underside of leaves. As their name suggests they readily jump from leaves when the plant is disturbed. The immature young are creamy white and crawl about on the underside of leaves.
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