Hemiptera is a large group of insects with a typical mouthpart causing direct damage to plants by feeding on sap from the plant tissue. This group contains major pests of crops and important vectors of infectious diseases.
The typical signs are brown or black feeding punctures visible on the affected plant tissues. Another conspicuous sign is honey dew, a sweet excretion that is released by the sucking insect. Often ants are attracted to feed on the honey dew.
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