红棕灰夜蛾 Polia iloba(Butler)幼虫是许多农林作物的害虫,主要危害大豆、棉花、蚕豆、草莓、十字花科蔬菜、马铃薯、水稻、小麦、荞麦、甜菜、石刁柏、葱、胡萝卜、苜蓿、桑、菊等多种栽培植物和杂草,有一定的经济意义。为此将我们多年来对此虫的调查研究结果作一简报。一、红棕灰夜娥形态特征 Polia iloba (Butler) larvae are pests of many agro-forestry crops and are major pests affecting soybeans, cotton, broad beans, strawberries, cruciferous vegetables, potatoes, rice, wheat, buckwheat, beets, asparagus, onions, carrots , Alfalfa, mulberry, chrysanthemum and other cultivated plants and weeds, have some economic significance. To this end, we will make a briefing on the findings of the survey on this pest over the years. First, the red brown ash night E morphological characteristics