Laboratory-based flight performance of the fall armyworm, Spodoptera frugiperda

文献类型： 外文期刊

第一作者： Ge Shi-shuai

作者： Ge Shi-shuai;Ge Shi-shuai;He Li-mei;Yan Ran;Wyckhuys, Kris A. G.;Wu Kong-ming;He Wei

作者机构：

关键词： aerobiology; flight mill; flight capacity; migration; invasion biology; movement ecology

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2021 年 20 卷 3 期

页码：

收录情况： SCI

摘要： In late 2018, the fall armyworm (FAW) Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) made its arrival in China and its populations have since proliferated across most of eastern Asia. While S. frugiperda exhibits a considerable dispersal capacity and engages in long-distance migration, there's only scant information on the species' flight capability. Here, we empirically assessed S. frugiperda flight activity under varying climatic conditions using a flight mill. More specifically, under laboratory conditions, FAW exhibited superior flight performance at 20-25 degrees C and 60-90% relative humidity (RH). When quantifying flight performance over five consecutive nights (i.e., 10 h/night), all flight parameters initially increased and then gradually dropped and FAW adults attained a total flight distance, duration and velocity equal to 63.73 km (48.42-94.12 km) (median, quartile range), 24.12 h (20.87-27.73 h) and 2.73 km h(-1) (2.13-3.33 km h(-1)), respectively. Our work constitutes a first comprehensive assessment of S. frugiperda flight performance and provides baseline information for future efforts to forecast spatiotemporal changes in its geographical distribution, movement patterns and invasion trajectories. Such can ultimately permit a timely and targeted deployment of area-wide pest management measures against this newly-invasive pest in China and across eastern Asia.

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