3.Temperature Lowest temperature for initiation of flight Brown rice planthopper:l6℃； Cnaphalocrocis medinalis:13C Black cutworm:6℃ Oriental armyworm:8℃。 Impacts the flight height Influence on landingLowest temperature for initiation of flight Brown rice planthopper: 16 ℃ ; Cnaphalocrocis medinalis: 13 ℃ Black cutworm: 6 ℃ Oriental armyworm: 8℃。 Impacts the flight height Influence on landing 3. Temperature Temperature