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沟金针虫(Pleonomus canaliculatus Faldermann)是江苏省主要地下害虫之一。为害麦类、玉米、高粱、棉花、马铃薯等作物,但尚未见为害湖桑的记载。 1965年4月23日,在湖桑嫁接田松土时,发现大量为金针虫为害嫁接后尚未露出土面的桑芽,已膨大的嫩芽被咬食一空,有的桑芽受害后已开始腐烂。当时对该虫发生情况进行了调查。 多点取样检查,大部分金针虫集中在3-5厘米的土面下(上面也有)活动,平均每平方米有虫11头,其
Pleomotis canaliculatus Faldermann is one of the major underground pests in Jiangsu Province. Harm wheat, corn, sorghum, cotton, potatoes and other crops, but not yet documented Hu Sang damage. April 23, 1965, Hu Sang grafted Tian Tso soil, found a large number of insects for the golden needle after grafting has not yet revealed the surface of the mulberry bud has been dilated sprout, some mulberry buds have begun after the victim rot. At that time, the occurrence of the worm was investigated. More sampling, most of the worms concentrated in 3-5 cm soil surface (also above) activity, an average of 11 per square meter of insect, its