【摘要】 桔绵蜡蚧(PulvinariacitricolaKuwana)有捕食性天敌昆虫2种,隶属于鞘翅目的瓢虫科;寄生性天敌昆虫有8种,隶属于膜翅目小蜂总科的跳小蜂科和蚜小蜂科,其中日本食蚧蚜小蜂(CoccophagusjaponicusCompere)为桔绵蜡蚧的主要寄生蜂,其数量占寄生蜂总数的71.2%,其数量变化将影响寄生蜂的整体消长变化。寄生蜂对桔绵蜡蚧的寄生率为40%.更多还原

【Abstract】 Pulvinaria citricola Kuwana was found that there are 2 specis of its predatory natural enemies belonging to Coccinellidae, and 8 species of its parasitic natural enemies belonging to Encyrtidae and Aphelinidae. Pulvinaria citricola Kuwana was the most impotent parasitoid of the pest, which occupied 72.2% of all parasitoids in number. The change of population dynamics of the parasitoid above would effect the fluctuation of whole parasitoid community. The parasitoid natural enemies of Pulvinaria citricola Kuwana’s parasitic rate is 40%.更多还原