蛴螬是农林生产中的主要地下害虫。由于化学防治对环境污染和农药残留对人类的威胁日趋严重,近年来国外越来越重视应用乳状菌防治这类害虫的研究。实践表明,引进菌种Bacillus popilliae Dutky对东北地区蛴螬优势种—东北大黑鳃金龟子感染率极低。为了解决东北大黑鳃金龟子的防治问题,开发利用当地的乳状菌资源是非常必要的。1978年秋,我们 Scrofa is a major underground pest in agriculture and forestry. In recent years, foreign countries pay more and more attention to the application of mildew prevention and control of such pests. Practice shows that the introduction of bacterial species Bacillus popilliae Dutky northeast region, the dominant species of 蛴 - - Northeast black gill beetle infection rate is very low. In order to solve the problem of prevention and cure of the big black ghost beetle in Northeast China, it is very necessary to develop and utilize the resources of the local lactic acid bacteria. Autumn 1978, we