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甜菜白带螟是我省甜菜生产中的叶部害虫之一,近几年来发生面积较大,它以幼虫啮食叶片,若被害严重时,只剩下叶脉,严重地影响着甜菜产质量。几年来,我们在黄河农场,郓城糖厂对甜菜白带螟进行了系统的观察结果如下: 形态特征: 该成虫体长8—9毫米,展翅21—23毫米,浅棕褐色,颈部黄褐色,腹眼突起,其头颈处白色呈环状,触角丝状。前翅中央有一条斜走波状纹白带,翅前缘顶角处有一条短横白
Beetle borer is one of the foliar insect pests in the production of sugar beet in our province. In recent years, it has a large area. It infects the leaves with larvae. If the victim is severely damaged, only the veins remain, seriously affecting the yield and quality of the beet. In the past few years, we systematically observed the beetle borer in the Yellow River Farm and Yuncheng Sugar Mill. Morphological characteristics: The adult body is 8-9 mm in length, 21-23 mm in wings, light tan, , Belly eyes protruding, the ring is white at the head and neck, antennae filiform. The center of the forewing has a wavy oblique stripes leucorrhea, wing tip edge of a short horizontal white