Effects of Temperature on Mate Location in the Planthopper, Nilaparvata lugens (Homoptera: Delphacidae)

文献类型： 外文期刊

第一作者： Long, Ying

作者： Long, Ying;Hu, Chaoxing;Shi, Baokun;Yang, Xiao;Hou, Maolin

作者机构：

关键词： planthopper;Delphacidae;temperature;mate-location behavior;global warming

期刊名称：ENVIRONMENTAL ENTOMOLOGY （ 影响因子：2.377； 五年影响因子：2.298 ）

ISSN： 0046-225X

年卷期： 2012 年 41 卷 5 期

页码：

收录情况： SCI

摘要： The planthopper, Nilaparvata lugens Stal (Homoptera: Delphacidae), uses acoustic signals generated by abdominal vibration and transmitted through rice (Oryza sativa L.) plants to locate mates. The influence of temperature (20, 28, and 32 degrees C) on abdominal vibration patterns of individual females and males, proportion of mated females, and responsivity of male to female vibrational signals was investigated. When female and male adults were observed individually, temperatures of 20 and 32 degrees C inhibited abdominal vibration by both genders in terms of proportion of vibrating insects, time spent in vibration per insect, time spent per bout of vibration, or all of these; the effects were more pronounced at 32 degrees C than at 20 degrees C especially in males at 32 degrees C. Although not significantly different, male responsivity to vibrating female was relatively high at 28 degrees C, lower at 32 degrees C, and still lower at 20 degrees C, and finally more males located females at 28 degrees C than at 20 degrees C, which contributes to the higher proportion of mated females at 28 degrees C than at 20 or 32 degrees C. Our results indicate that temperatures of 20 and 32 degrees C inhibit the production of abdominal vibration and, to some extent, reduce male responsivity to female vibrational signals, which may partially explain the frequent population outbreaks in N. lugens in the years with warm autumn.

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