黑缝油菜叶(虫甲)(Entomoscelissuturali-sweise)属鞘翅目、叶(虫甲)科。是我省关中北部油菜产区的毁灭性害虫,对油菜生产为害极大。1979—80年,我们对此虫进行了观察,初步掌握了生活习性及防治方法。一、形态特征 1.成虫:体卵圆形,黄褐色至赤褐色。雄虫体长5—6毫米,宽4毫米;雌虫体长8—9毫米,宽4.5毫米。 Entomoscelissuturali-sweise belongs to Coleoptera and Yemen. It is a devastating pest in the rapeseed producing area in the north of Guanzhong in our province, which is devastating to rapeseed production. From 1979 to 1980, we observed the pest and got an initial grasp of the habits and methods of prevention and treatment. First, the morphological characteristics 1 adult: body oval, brown to auburn. Male body length 5-6 mm, width 4 mm; female body length 8-9 mm, width 4.5 mm.