| 昆明地区分瓣臀凹盾蚧天敌种类研究初报 |
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| 引用本文： | 黄燕辉,聂雅萍,陶 玫,陈国华,杨本立.昆明地区分瓣臀凹盾蚧天敌种类研究初报[J].云南农业大学学报,2004,19(3):357-359. |
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| 作者姓名： | 黄燕辉 聂雅萍 陶 玫 陈国华 杨本立 |
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| 作者单位： | [1]昆明市园林科研所，云南昆明650224 [2]云南农业大学植物保护学院，云南昆明650201 |
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| 基金项目： | 云南省自然科学基金资助项目(1999C0054M) |
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| 摘 要： | 分瓣臀凹盾蚧(Phenacaspis kentiae Kuwana)是茶花、桂花的重要害虫。其捕食性天敌昆虫4种, 隶属于鞘翅目的瓢虫科、方头甲科和草蛉科,其中日本方头甲(Cybocephalus niponicus Endrby-Yonge)为主要捕食性天敌; 寄生性天敌昆虫有4种,隶属于膜翅目小蜂总科的跳小蜂科和蚜小蜂科,其中糠片蚧恩蚜小蜂［Encarsia inquirenda (Silvestri)］为分瓣臀凹盾蚧的主要寄生蜂,其数量占寄生蜂总数的95.3％,其数量的变化也反映了寄生蜂的整体数量的消长变化。寄生蜂对分瓣臀凹盾蚧的自然寄生率为10.1%,捕食性天敌对分瓣臀凹盾蚧的自然控制率为78%。自然条件下,天敌昆虫对分瓣臀凹盾蚧的种群数量有一定的控制作用。
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| 关 键 词： | 分瓣臀凹盾蚧 天敌昆虫 优势种 |
| 文章编号： | 1004-390X(2004)03-0357-03 |
| 收稿时间： | 2003-10-30 |
Study on Phenacaspis kentiae Kuwana's Natural Enemies in Kunming |
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| HUANG Yan-hui,NIE Ya-ping,TAO Mei,CHEN Guo-hua,YANG Ben-li.Study on Phenacaspis kentiae Kuwana''''s Natural Enemies in Kunming[J].Journal of Yunnan Agricultural University,2004,19(3):357-359. |
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| Authors: | HUANG Yan-hui NIE Ya-ping TAO Mei CHEN Guo-hua YANG Ben-li |
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| Institution: | HUANG Yan-hui~1,NIE Ya-ping~1,TAO Mei~2,CHEN Guo-hua~2,YANG Ben-li~2 |
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| Abstract: | Phenacaspis kentiae Kuwana is the important insect pest of camellia,sweet-scented osmanthus. It was found that there were 4 species of predatory natural enemies belonging to Coccinellidae, Cybocephalidae and Chrysopidae, and 4 species of parasitic natural enemies belonging to Encyrtidae and Aphelinidae respectively. Cybocephalus niponicus Endröby-Yonge was the superior predator in number of P.kentiae. Encarsia inquirenda (Silvestri) was the superior parasitoid of the pest, which occupied 95.3％ of all parasitoids in number. The parasitic rate of parasitic natural enemies was 10.1%. The control rate of predatory natural enemies came up to 78%. Under natural conditions, natural enemies were effective on the control of the population of Phenacaspis kentiae Kuwana. |
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| Keywords: | Phenacaspis kentiae Kuwana natural enemies superior species |
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