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1.叶被害后卷起或呈现潜痕虫斑及白色斑点状虫斑…………………………………2叶被害后呈明显的缺刻或孔洞…………192.叶被害后卷起或幼虫吐丝将几片叶子连缀成苞………………………………………………3叶被害后不卷起…………………………73.幼虫在嫩芽吐丝连缀,为害柳树时常将几片叶子用丝卷成长筒状。可钻入幼芽内蛀食,早春为害严重。幼虫体灰白色,纺锤形,体上有肉刺。腹部背面有三个不规则菱形白斑,腹部第2、第8节隆起,较粗白色,其余各节不隆起…………柳金刚钻Earias pudicana Standinger
1. After the leaf was wound or appear latent cadaver spots and white spots worm spots ....................................... 2 leaf was killed after obvious nicks or holes ............ 192 leaves were killed After the roll up or larvae silkworm will be a few pieces of leaves attached to the buds ...................................................... 3 leaves do not roll up after the wound .............................. 73 The larvae are sprouting in the buds, often injuring willow trees with a few leaves growing in the shape of a coil. Can be drilled into the sprouts of young pests, severe damage in early spring. Larvae body gray, spindle-shaped body with thorn. Abdomen on the back of three irregular diamond white, abdomen 2, 8 bulge, thick white, the remaining sections do not bulge ............ Liugang diamond Earias pudicana Standinger