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黑广肩步行岬(Calosoma maximovicziM.)俗称琵琶斩,是柞蚕生产上重要害虫之一,以成虫上树取食放养的柞蚕。我国许多省份蚕其均有发生与为害,以辽宁省南部与东南部部分蚕区受害最重,常年受害率10～20％,大发生年份柞蚕受害率达80～90％。我们在各级党组织领导下,在广大贫下中农的支持下,坚持科研与生产实践相结合的方向,经过室内药剂筛选和多次蚕场防治试验,初步得出杀螟松粉
Commonly known as the pipa cut, Calosoma maximoviczi M. is one of the most important insect pests in the production of tussah. Many silkworms in many provinces of our country have their occurrence and damage, and most of them suffer the most part in the southern and southeastern part of Liaoning Province. The annual damage rate is 10 to 20%, and the damage rate of the tussah in the large-scale occurrence year reaches 80 to 90%. Under the leadership of party organizations at all levels and with the support of the vast majority of poor and middle peasants, we insisted on the combination of scientific research and production practices. Through the screening of indoor pharmacies and the prevention and control of many silkworms, we initially found that fenitrothion powder