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一粟夜盗虫在东北的为害情况粟夜盗虫是东北农作物的主要害虫,每年都有发生,祇是发生的程度轻重有所不同。有的年大发生,有的年局部发生,如1948年在东北北部地区大发生,1950年全东北大发生,总计被害面积一百八十余万垧。1953年又是大发生的一年,相继蔓延到147个县、市、旗。其发生之多,为害之重,为历年来所未有。粟夜盗虫在东北的为害,南、北部有很大不同,
Suffering from night insects in the northeast millet Night insects are the major pests of crops in Northeast China, occur each year, but the degree of occurrence of severity varies. Some years occurred, and some occurred locally, as happened in 1948 in the northeast of China. In 1950, the entire northeast occurred, with a total area of more than 1.8 million victims. 1953 is another big year, have spread to 147 counties, cities and flags. It has occurred as many times as it has done, and it has never been before in history. Su night insects damage in the northeast, south and north are very different,