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草地螟是一种毁灭性害虫,对人参的为害,国内外未见有报道。我省自1979年以来,发现草地螟为害大田作物,为害面积逐年增加,1982年发现不仅严重地为害大面积的农作物,而且在松花江、合江、绥化等地区的人参也遭受不同程度的为害。为此,我们在通河、庆安两个人参场观察研究了草地螟对人参为害的各种症状和防治措施,报道如下: 一、草地螟的形态特征及生活习性草地螟(loxostege sticticatis L.)属鳞翅目螟蛾科野螟亚科锥额野螟属。成虫为暗灰色,有光泽,头的后部为黑色,有两根触角。体长8-12毫米,翅展为12-26毫米,前翅为深灰色,外缘有淡黄点连成一半,有光泽,
Meadow borer is a devastating pest, the damage to ginseng, no reports at home and abroad. Since 1979, the province has found that Stem Borer damage crops in the field, the damage area increases year by year, found in 1982 not only serious damage to large areas of crops, but also in the Songhua River, Hejiang, Suihua and other areas of ginseng also suffered varying degrees of damage . For this reason, we observed and studied the various symptoms and control measures of the damage of ginseng stem to ginseng in the ginseng of Tonghe and Qing’an. The reports are as follows: 1. The morphological characteristics and the habits of the gonrythralis. I. loxostege sticticatis L. ) Lepidoptera is Pyralidae Pyralidae subfamily Cone amount Sedge borer. Adult dark gray, shiny, the back of the head is black, with two antennae. Body length 8-12 mm, wing exhibition is 12-26 mm, the forewing is dark gray, the outer edge of the yellow point into half, shiny,