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采用灰色系统分析法、生态位分析法和空间格局聚集强度指标分析方法,分析了茶园3种鳞翅目主要害虫与蜘蛛天敌在数量、时间和空间上的关系。结果表明:茶尺蠖(Ectropis obliquaProut)的主要天敌是八点球腹蛛(Theridion octomaculatum)、斑管巢蛛(Clubiona reichini)、草间小黑蛛(Erigonidium graminicolum)、鞍型花蟹蛛(Xysticus ephippiatus)和茶色新圆蛛(Neosconatheisi),茶叶斑蛾(Eterusia aedeaL.)的主要天敌是斑管巢蛛、鞍型花蟹蛛、八点球腹蛛、茶色新圆珠和三突花蟹蛛(Misumenops tricuspidatus),茶卷叶蛾(Homona coffearia Nieter)的主要天敌是三突花蟹蛛、斑管巢蛛、鞍型花蟹蛛、茶色新圆珠和八点球腹蛛;3种害虫及其天敌种群聚集均数λ均小于2,且聚集是由环境因子所致。
The relationship between quantity, time and space of the main pests and spiders of three Lepidoptera species in the tea garden was analyzed by using the methods of gray system analysis, niche analysis and spatial pattern aggregation intensity index. The results showed that the main natural enemies of Ectropis obliqua Prout were Theridion octomaculatum, Clubiona reichini, Erigonidium graminicolum, Xysticus ephippiatus ) And Neosconatheisi, and Eterusia aedeaL. The main natural enemies of this species are Vagus sp., Saddle-type crab spider, Misumenops tricuspidatus and Homona coffearia Nieter were the main natural enemies of the three species of Coccidae, The aggregation mean λ is less than 2, and the aggregation is caused by environmental factors.