The annual laws of insect pest occurence and damage on apricot trees are that the occurence cycle is short , the tip period of dominant species appears early , the damage period is concentratine and the community withers rapidly 杏树林害虫的年发生规律是发生周期短、优势种高峰期出现早、为害期集中、群落凋落迅速。
For the sake of finding out the laws of insect pest damage to apricot trees and providing the basis for coutrolling the pest , souple plot method wes applied to investigate the apricot tree stands of different type 为全面了解杏树林害虫的为害与发生规律，给防治提供依据，采用标准地方法对不同类型的杏扁林进行了系统调查。
The results show that the insect community in apricot tree stand have 6 orders , 25 families and 55 species , the dominant species concentrate on the group of scale insect , aphids , budworms and common lackey moth , gypsy moth 结果表明，杏树林害虫群落共有6目25科55种，优势种集中于蚧虫、蚜虫、卷叶蛾等类群及天幕毛虫、舞毒蛾等。
Every spring a migratory beekeeper in california may move up to 160 million bees to flowering fields in minnesota and every winter his family may haul the hives back to california , where farmers will rent the bees to pollinate almond and cherry trees 每个春天一个迁移的养蜂人在加利福尼亚可能要移动160 , 000只蜜蜂到明尼苏达州的开花的原野，每个冬天他的家可能在拉着蜂箱回到加利福尼亚，在那儿农民可以租蜜蜂去给杏树和樱桃书授粉。
