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小麦吸浆虫五十年代末基本得到控制以来,20多年未发生明显为害。 但1984—1985连续两年,在扶风宝鸡峡干渠沿岸和渭河川道地区,又发生大面积为害,造成了严重的损失。发生范围涉及15个乡镇。据今年在成虫发生期和幼虫为害期组织调查,发生面积达250,450亩。而以宝鸡峡干渠沿岸和渭河川道地区发生较重;以冯家山新灌区和沿山干旱地区发生较轻。重点发生区分布在川原灌区的太白、召公、杏林、城关、法门、上宋、降帐、揉谷8个乡镇的38个村。发生区内一般10复网捕到成虫30—150头,最多的300头以上;拨麦目测检查,一眼可望见成虫5—40头,
After the wheat midge was basically controlled in the late 1950s, no significant damage occurred in more than 20 years. However, for two consecutive years from 1984 to 1985, large-scale damage occurred on the coasts of Baoji Canal trunk and the Weihe River in Fufeng, resulting in serious losses. The occurrence of 15 townships involved. According to this year in the adult period and larvae damage organization survey, the occurrence of an area of 250,450 acres. However, there were heavier occurrences along the trunk of Baoji Gorge Canal and in the Weihe River Channel, and less occurred in Fengjiashan New Irrigation District and arid areas along the mountains. Key areas occur in the ChuanWan Irrigation District, Taibai, called the public, Xinglin, Chengguan, Famen, the Song, lower account, knead Valley 8 towns and 38 villages. Occur in the area generally 10 complex network to catch 30-150 adults, up to 300 or more; Pomeranian visual inspection, one can expect to see adults 5-40,