在沈阳地区,利用黑光灯测定玉米螟(Ostrinia nubilalis(Hiibner))的发生消长动态时,常同时诱集到两种近似的螟蛾,即,尖锥额野螟(Loxostege verticalis Linnaeus)和豆野螟(Pyrausta varialis Bremer)。由于这三种螟蛾在外观上近似,以致在调查玉米螟发生数量时,常易混淆,影响测报的准确 In Shenyang, the dynamics of the growth and decline of Ostrinia nubilalis (Hiibner) was measured by using black light, and two similar species, namely Loxostege verticalis Linnaeus and Bean Field Borer (Pyrausta varialis Bremer). As these three kinds of moth moths in appearance similar to that in the investigation of the number of occurrence of corn borer, often easily confused, affecting the accuracy of the report