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粟灰螟 Chilo infuscatellus Snellen 是谷子上的主要害虫,近年来应用昆虫性诱剂测报害虫发生量和发生期已取得较好的效果。现将我们1986年应用情况报告如下:一、冬后幼虫存活量调查粟灰螟越冬期的总虫量和冬后存活量是当年一代被害轻重的基础.为了掌握虫情,分析趋势,5月中旬前凋查了各地粟灰螟的冬后残存量,从7个县(区)不完全统计,百茬活虫量平均为3.4头,幼虫存活率为72.8%,除郊区和壶关县百茬含活虫头数较高外,其余各县
Chilo infuscatellus Snellen is a major insect on millet. In recent years, insect insects have been used to report the occurrence and occurrence of pests and have achieved good results. Now we report the application of 1986 are as follows: First, the survival of winter larvae survey The total population of borer during winter and the survival of winter afterlife is the generation of victims of the severity of the foundation .In order to grasp the worms, trends, May Before mid-winter, the post-winter remnant of Daphnia magna was investigated. From the incomplete statistics of 7 counties, the average number of live insects per hectare was 3.4 and the survival rate of larvae was 72.8% Crops with a higher number of live worms, the remaining counties