论文部分内容阅读
梨潜皮细蛾俗名串皮虫,属鳞翅目细蛾科,它分布范围较广.东北、华北、华东地区均有发生。近年来,成龄梨园发生较重,枝上树皮被串蛀,表皮爆裂翘起,有时危害果皮,使果皮破裂。形态特征:成虫体长约5毫米,头部、胸部白色,背面鳞毛褐色,前翅银白色。翅面有5条褐色斜横带,后翅灰褐色。幼虫1-6龄时体扁平,乳白色,胸部各节较宽,中胸最宽,腹部纺缍形,第一腹节明显缩小,腹部各节两侧向外突
Pear Hymenoptera cocos, the genus Lepidoptera, is a family of Lepidoptera, which is widely distributed in the northeast, north and east of China. In recent years, the phenomenon of heavier pear orchards, branch bark eaten, epidermal burst rupture, sometimes harmful to the peel, peel rupture. Morphological characteristics: Adult body length of about 5mm, head, chest white, brown hair scales on the back, wings silver white. Wings with 5 brown oblique horizontal hind wings beige. 1-6 larvae body flat, milky white, wide sections of the chest, the widest chest, abdomen spiraeal, the first abdominal section was significantly reduced, abdomen on both sides of the lateral outburst