The Oriental armyworm Mythimna separata (Walker) is a long distance migrator y insect, it has a stronger flight potential whose longest flight distance can r each 1400 km according to the results of Insect mark-Release-Recapture techniq ues. In laboratory it also exhibited stronger flight potential relative to other well known migratory noctuids using tethered-flight, the largest flight dis tance and flight duration exceed 430 km and 40 hours respectively. Although the study on flight capacity affected by...