the rate of parasiting to the oriental armyworm is seriously influenced by the day number of raining of april and of dewing from 11-25, march of last year.
对寄生率影响较明显的为侵染期的降雨日数和前一年线虫脱出高峰期的露日数。
flight behavior of the oriental armyworm mythimna separata(walker) moth in airflow was studied systematically using wind tunnel and scanning entomological radar.