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网目拟地甲(Opatrum subaratum Fald)是重要的地下害虫,国内主要分布在东北、河北、甘肃、陕西、河南、安徽等省,在部分地区为害严重。1983年皖北阜阳地区网目拟地甲大发生,桔梗受害,造成大面积缺苗断垄。为了控制这种害虫的为害,我们连续三年进行了调查研究,取得了初步成果,现报道如下。一、形态特征成虫体长约10毫米,黑褐色,触角棍棒状,前胸背板方型,前部有弧形凹入,两侧前
Opatrum subaratum Fald is an important underground pest, and its distribution in the northeast, Hebei, Gansu, Shaanxi, Henan and Anhui provinces is serious in China. In 1983, the network in Fuyang, northern Anhui Province, the site was intended to be large, Campanulaceae victims, resulting in a large area of missing seedlings broken ridge. In order to control this pest damage, we conducted a three-year investigation and research, and achieved initial results, are reported below. First, the morphological characteristics Adult body length of about 10 mm, dark brown, horn club sticks, chest back plate square, the front has a concave arc, both sides before