云南细香核桃林内捕食性瓢虫资源调查初报  

Preliminary investigation report on the resources of predatory ladybugs in walnut forests of Yunnan Province

作　　者：杨发成 杨丽琳 蒋华 张炜 杨晓霞 YANG Facheng;YANG Lilin;JIANG Hua;ZHANG Wei;YANG Xiaoxia(Comprehensive Support and Technical Service Center of Wengdu Town,Changning County,Baoshan,Yunnan 678115,China;Jifei State-owned Forest Farm,Changning County,Baoshan,Yunnan 678115,China;Baoshan Forestry and Grassland Technology Promotion Station,Baoshan,Yunnan 678000,China)

机构地区：[1]昌宁县翁堵镇综合保障和技术服务中心,云南保山678115 [2]昌宁县鸡飞国有林场,云南保山678115 [3]保山市林业和草原技术推广站,云南保山678000

出　　处：《生物灾害科学》2024年第4期606-612,共7页Biological Disaster Science

基　　金：中央财政林业科技推广示范项目(云[2024]TG31号);保山市兴保英才计划青年人才专项(2023QNRC03)。

摘　　要：【目的】为明确细香核桃捕食性瓢虫种类及优势种群,助力云南泡核桃有害生物绿色防控体系构建。【方法】于2023年7—8月在云南省昌宁县细香核桃栽培区,采用实地踏查、标本采集、饲养观察、物种鉴定、优势度和捕食能力分析等研究方法展开调查。【结果】明确了细香核桃林内捕食性瓢虫种类有9种,分别为奇斑瓢虫(Harmonia eucharis)、四斑裸瓢虫(Calvia muiri)、六斑月瓢虫(Menochilus sexmaculata)、异色瓢虫(Harmonia axyridis)、纤丽瓢虫(Harmonia sedecimnotata)、黄斑盘瓢虫(Coelophora saucia)、泸水盘瓢虫(Lemnia lushuiensis)、黄缘巧瓢虫(Oenopia sauzeti)和二双斑唇瓢虫(Chilocorus bijugus)。其中,奇斑瓢虫和四斑裸瓢虫为优势种,优势度指数分别为0.3742和0.3673,其幼虫野外捕食频率分别为51.35%和80.77%,成虫野外捕食频率分别为14.55%和31.48%。【结论】奇斑瓢虫和四斑裸瓢虫是云南细香核桃林内捕食性瓢虫优势种群,具有野外捕食控害潜力,应加强保护和利用。[Objective]This study was conducted to clarify the dominant species of predatory ladybugs in walnut forests in Yunnan,and contribute to the construction of a green prevention and control system for walnut pests.[Method]The species and dominant populations of predatory ladybugs in walnut forests were investigated from July to August 2023,in the fine fragrant walnut cultivation area of Changning County,Yunnan Province,adopting a series of methods such as field inspection,specimen collection,rearing observation,species identification,dominance analysis,and predation ability analysis.[Result]The results showed that there were nine species of predatory ladybugs in walnut forests,namely Harmonia eucharis,Calvia muiri,Menochilus sexmaculata,Harmonia axyridis,Harmonia sedecimnotata,Coelophora saucia,Lemnia lushuiensis,Oenopia sauzeti,and Chilocorus bijugus.Among them,H.eucharis and C.muiri were the dominant species,with dominance indices of 0.3742 and 0.3673,respectively.The field predation frequencies of their larvae were 51.35%and 80.77%,respectively,and that of adults were 14.55%and 31.48%,respectively.[Conclusion]H.eucharis and C.muiri are the dominant populations of predatory ladybugs in walnut forests in Yunnan.They have potential for field pest control through predation,and so their protection and utilization should be strengthened.

关 键 词：核桃 捕食性瓢虫 优势种 生物防治 

分 类 号：S435.79[农业科学—农业昆虫与害虫防治]