采用自行设计的微音监控系统研究了茶树重要害虫假眼小绿叶蝉的鸣声产生情况以及相关的声学特征。结果表明,假眼小绿叶蝉若虫不发声,雌虫单独时未见有鸣叫行为,而雄成虫能够发出由寄主植物传递的振动声信号,用于个体间通讯。试验记录了雄虫的普通声、干扰声和雌、雄虫交配前的求偶声3种鸣声,并就3种鸣声的单个脉冲持续时间、脉冲间隔和亚脉冲数等声学特征进行了比较。鸣声习性的研究,为进一步开展假眼小绿叶蝉综合防治研究提供理论基础。
Adopting the self-made feeble sound monitoring system, authors studied the sounds and their features of Empoasca vitis. The results indicated that, the nymph and the female adult alone didn’t sound but the male adult could emit the vibration sounds transmitted through host-plant and used in the communication of intra-species. Altogether, 3 kinds of sound were recorded, that were male’s common sounds, rivalry sounds and courtship sounds which emitted when the sexes were put together. Meanwhile, authors also analysis the waveform feature of the 3 acoustic signals. The study on the leafhopper’s acoustic behavior may offer theory basis for developing new method of controlling Empoasca vitis.
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