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Control of the Colorado Potato Beetle, Leptinotarsa decemlineata (Say), Using Predator Insects Released by a Mechanical Prototype

Control of the Colorado Potato Beetle, Leptinotarsa decemlineata (Say), Using Predator Insects Released by a Mechanical Prototype
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摘要 The CPB (Colorado potato beetle) is unquestionably the major insect pest of potato crops in North America, Europe, and Asia. The use of chemical insecticides to control this insect pest started in the 1860s. To date, no registered chemical has been capable of effectively managing this agricultural pest. Moreover, the CPB has developed over the years a resistance to most of the registered chemical insecticides. The biological control through manual release of natural enemies of the CPB has been successful at small scale. However, hand release of these predators at large scale is not realistic. The objective of this study was to investigate the effectiveness of controlling the CPB through mechanical release of predator insects under real conditions in a potato field. Obtained results indicate that the mechanical release of predator insects resulted in a better control of the CPB populations and egg masses than the manual release. The success of this mechanical release of predator insects in potato fields will be highly valuable for the biological control of insect pests in many other row crops such as strawberry, lettuce, etc..
出处 《Journal of Environmental Science and Engineering(A)》 2012年第11期1279-1287,共9页 环境科学与工程(A)
关键词 Colorado potato beetle chemical insecticides biological control mechanical release natural enemies Perillusbioculatus Podisus maculiventris. 马铃薯甲虫 生物控制 捕食昆虫 科罗拉多 机械 捕食者 化学杀虫剂 农业害虫
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