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(Horv
th) (Homoptera: Delphacidae) using hourly catches and a three-dimensional simulation modelOtsuka, Akira*; Watanabe, Tomonari*; Suzuki, Yoshito*; Matsumura, Masaya*; Furuno, Akiko; Chino, Masamichi; Kondo, Tomoya*; Kamimuro, Tsuyoshi*
Agricultural and Forest Entomology, 8(1), p.35 - 47, 2006/02
Times Cited Count：17 Percentile：57.95(Entomology)1 Migration of Sogatella furcifera captured in Japan in the 2003 season were analyzed using hourly catches and a simulation model.2. The catch data showed several clear migration peaks, with average durations of 4 h. The peaks were separated from each other by approximately 12 h, corresponding to the observed fact that planthoppers take off at dusk and dawn.3. The simulation model, together with the hourly catches, enabled an estimation of migration source regions.4. Possible migration sources during our hourly observation period were located in the coastal area of Fujian province in China, as well as Taiwan.
(Horvth) (Homoptera: Delphacidae) and 
(St
l), using an advanced weather forecast modelOtsuka, Akira*; Dudhia, J.*; Watanabe, Tomonari*; Furuno, Akiko
Agricultural and Forest Entomology, 7(1), p.1 - 9, 2005/02
Times Cited Count：43 Percentile：84.24(Entomology)A new method of backward trajectory analysis for planthopper migration is presented. The method consists of two components: an advanced weather forecast model, MM5, for weather simulation, and a migration model for trajectory calculation. Although the landing process is not considered in the modeling, it is shown that the method is able to precisely simulate the migration and accurately estimate various parameters. This study also shows the importance of high quality weather simulation.
