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Both nymphal and adult spittlebugs (Hemiptera: Cercopidae) cause serious economic damage to susceptible brachiariagrass [genus Biachiaria (Trin.) Griseb], pastures in tropical America. Both life stages are xylem feeders: nymphs feed primarily on roots and stems, whereas the adults feed mainly on ...
Several species and genera of spittlebugs (Homoptera: Cercopidae) are economic pests of grasses in tropical America. They have the potential to cause serious losses on millions of hectares of improved pastures based on cultivars of several species of Brachiaria. Most of the available commercial c...
Plants can resist herbivore damage through three broad mechanisms: antixenosis, antibiosis and tolerance. Antixenosis is the degree to which the plant is avoided when the herbivore is able to select other plants. Antibiosis is the degree to which the plant affects the fitness of the herbivore fee...
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