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四川省西部苹果自然天敌主要包括飘虫、草蛉和寄生蜂三类，其中深点食螨飘虫、异色飘虫、七星飘虫、中华草蛉和大草蛉为优势种群。经种群生态位和群落多样性分析表明：苹果园自然天敌在空间和时间序列上对害虫有较强的跟随能力，有广阔的利用前景；化学农药是影响苹果自然天敌群落结构和控害能力发挥的主要因子。
Natural enemies of apples in western Sichuan Province mainly include three species of fowl, grass weevil and parasitoids. Among them, the dominant flies are Acarina, Ficus, Grifola fruticosa, Scirpus mariqueter and Scirpus mariqueter. The analysis of population niche and community diversity showed that natural enemies of apple orchard had stronger ability of following in peculiar time and space to pests and had broad application prospects. Chemical pesticides played an important role in influencing apple community structure and control ability of natural enemies The main factor.