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Homoptera


[R] Order of hemimetabolous insects feeding on plants; mouthparts piercing and sucking, fore and hind wings membranous; order includes two large divisions: the Auchenorrhyncha, whose rostrum arises plainly from the head and projects backwards between the coxae and which comprise the cicadas and the leafhopper, and the Sternorrhyncha, whose rostrum appears to arise between the fore coxae including psyllids or suckers, whiteflies, aphids and scale insects. In addition to direct damage (suction of sap and intracellular liquids), the Homoptera are responsible for the excretion of honeydew, the transmission of viruses, and plant contamination.


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