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茶园寄生性天敌昆虫的考察与评价
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摘要:
在安徽茶区采获茶园害虫寄生性天敌昆虫107种,鉴定了66种,分属于2目15科。主要有茧蜂、小蜂、缘腹卵蜂和寄蝇等类,均对害虫具有较大的自然控制效应。茶园山林植被繁杂,有利于多种寄生性天敌昆虫的生存繁衍;大量施用农药,则对天敌昆虫威胁很大。作者认为应发展生物防治,建立良好的茶园生态系,充分发挥寄生性天敌昆虫对茶园害虫的制约效应。
关键词:  茶园,寄生性天敌昆虫
DOI:
基金项目:
PARASITES OF TEA PESTS AND THEIR REGULATION TO THE PESTS
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Abstract:
Investigations reveal that the species number of parasitic enemy insects in Anhui is more than 100 and 66 of them have been indentified, including parasitic wasps and flies, in 15 families of 2 orders. It is mainly several species of Bracon controlling effectively the smaller tea roller (Adox(?)phyes orana) and the tea geometrid (~-Ectr(?)pis obliqua hypulina). Many Chalcidid species have higher parasitism on scales and the spiny white fly, Aleurocanthus spiniferus; Trichogramma spp. occur in egg period of the smaller tea roller, and the tea roller, Homona cofferea; Scelionid spp. on many moths such as the tea tussock moth, Euproctis pseudoconspersa; and Laraevorid spp. on many moths such as bagworms. So we should protect and make use of natural enemy resource, The Trichogramma was raised and released in tea orchards to control the smaller tea roller, resulting in a substantial controlling effect.
Key words:  Tea orchard,Parasitic enemy insects.

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