梨草履硕蚧的生活规律及防治研究初报黄茂松，付秋良，李修其，杨志华，沈兰和（岳阳市湖滨园艺场）８０年代，我场洞庭区梨树上开始发现草履硕蚧，当时因数量不多未引起重视。后逐年扩展，至１９９０年，我场大部分梨园都发生该虫危害，其中四工区湖滨队、新华队及二工区... Pear Grass Proclama precautionary principle and prevention and control Huangmaosong, Fu Qiuliang, Li Xiuqi, Yang Zhihua, Shen Lanhe (Yueyang City Lakeshore horticultural field) 80 years, my field began to find pears in Dongting Pear Grasshoppers, Not much attention has not been given. After years of expansion, to 1990, most of my field Pear Park, the pest damage occurred, including the four area Lakeside team, Xinhua team and the second industrial zone ...