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赣榆县从1990年开始引种黑莓,已有近20年的种植历史。笔者对黑莓病虫害的发生与为害进行了多年的调查观察。其中桥夜蛾[Anomis mesogona(Walker)]的幼虫是重要的叶、梢部害虫,而它的成虫是黑莓的重要吸果夜蛾。1形态特征成虫:中小型蛾子,体长15～17mm,翅展35～38mm。头、胸部暗红褐色;翅棕至棕褐色,前翅外缘锯齿形,顶角下方内凹,使翅顶角和外缘中部呈尖角状凸出。整个虫体从背面看很像1片树皮。卵:淡绿色,宽0.5～0.6mm,高0.4mm,扁圆形,顶部隆
Ganyu County since the introduction of blackberries in 1990, nearly 20 years of planting history. The author of the occurrence of pests and diseases of the BlackBerry conducted many years of investigation. Among them, the larvae of Anomis mesogona (Walker) are important leaf and shoot pests, and their adults are important fruit-bearing insects of Blackberry. 1 Morphological characteristics Adult: small and medium sized moths, body length 15 ~ 17mm, wingspan 35 ~ 38mm. Head, chest dark reddish brown; wings brown to brown, forelimb jutting outer edge, vertex below the concave, so that the tip angle and the outer edge of the central was pointed convex. The whole body looks like a bark from the back. Eggs: light green, width 0.5 ~ 0.6mm, height 0.4mm, oblate, top long