捕食不同虫态烟粉虱对小黑瓢虫生长发育的影响

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基金项目:

公益性行业(农业)科研专项(200803032);福建省科技创新平台建设计划项目(2008N2002);福建省小发明、小创造专项

Effect of feeding on different stages of Bemisia tabaci(Gennadius) on development of Delphastus catalinae(Horn)

1.
Agriculture Technology Extension and Service Center of Sanya, Sanya, Hainan 572000, China;
2.
Key Laboratory of Biopesticide and Chemical Biology (Fujian Agriculture and Forestry University) of Ministry of Education, Fuzhou, Fujian 350002, China

摘要: 分别提供烟粉虱卵、若虫(含拟蛹)、成虫3种虫态供小黑瓢虫捕食,饲喂结果表明:小黑瓢虫最喜食烟粉虱卵,其次为烟粉虱若虫(含拟蛹),最不喜食烟粉虱成虫。捕食不同虫态猎物对小黑瓢虫生长发育存在一定的影响。烟粉虱卵饲喂的小黑瓢虫发育速度快(幼虫至成虫羽化为19.18d)、存活率高(幼虫至成虫羽化为78.57%)、成虫的繁殖力强(平均每雌产卵131.25粒)、种群内禀增长率大(rm=0.0724),明显优于其他2种虫态,最有利于人工繁殖小黑瓢虫。
- 小黑瓢虫 /
- 烟粉虱 /
- 虫态 /
- 生长发育
Abstract: Respectively provided the eggs,nymphs and adults of Bemisia tabaci (Gennadius) for rearing of Delphastus catalinae (Horn),the results showed that the eggs of B. tabaci are the most favor food for rearing of D.catalinae. Feeding on the different stages of B. tabaci affected the development of D. catalinae. After preyed the whitefly egg,D. catalinae develops quickly (duration of larva to adult emergence as 19.18d),with high survival rate (survival rate of larva to adult emergence as 78.57%),high oviposition (131.25 eggs/female) and fast population increase (rm=0.0724). The whitefly egg is the best food for artificial rearing of D. catalinae.
- Delphastus catalinae (Horn) /
- Bemisia tabaci (Gennadius) /
- stage /
- development