Comparative analysis of population dynamics of Emposaca flavescens(Fab.) and its natural enemies in three Rosaceae fruit plants
三种蔷薇科果树小绿叶蝉及捕食性天敌种群动态的比较

The numbers of Emposaca flavescens(Fab.)and its natural enemies in three fruit plants were compared using T-test,cherry field and pear field showed a highly significant difference in Misumenops tricuspidatus and significant difference in Emposaca flavescens(Fab.)Harmonia axyridis and Tetragnatha maxillosa,the amounts of which in cherry field were apprently higher than that in pear field,cherry field and apricot field showed a significant difference in Misumenops tricuspidatus and Erigonidium graminicola and...