Study on the Flight Performance of Adult Alligator Flea Beetle,Agasicles hygraphila
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摘要: 应用飞行磨检测和记录空心莲子草叶甲的飞行速度和持续时间,结果显示所测定的空心莲子草叶甲Agasicles hygraphila多数只作短时间的反复飞行(1s至3min),仅3%的雌虫和1%的雄虫飞行持续时间大于3min,最长可达1.51h。雌虫飞行持续时间显著长于雄虫。雄虫的飞行速度为27.72cm·s-1,雌虫的飞行速度为23.07cm·s-1,雄虫飞行速度显著快于雌虫。Abstract: The flight performance(speed and duration)of adult alligator flea beetle(Agasicles hyraphila)was studied by applying the flight mill.Our results showed that there is only a short period(<3min)flight for a large proportion of female and male individuals tested.In contrast,a small proportion of adults(3%of females and 1%of males)had capacity for long-distance flight(>3min).Meanwhile,the flight duration of female adults was longer than that of males and the longest was recorded at 1.51hby a male adults.Furthermore,the average speed of female and male was 23.07cm·s-1 and 27.72cm·s-1 respectively.Our results indicate that the flight speed of males is faster.
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Key words:
- alligator flea beetle /
- flight duration /
- speed
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