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啄木鸟在杨树人工林内对几种昆虫捕食作用的研究*

Predation of Wood Pecker on some Pests in Poplar Plantation

  • 摘要: 啄木鸟在杨树人工林内对几种昆虫捕食作用的研究高瑞桐,卢永农,刘传银关键词啄木鸟,杨树人工林,昆虫,捕食作用啄木鸟(Picus spp.)是蛀干害虫的重要天敌,国内外都作过一些报道1~5,Medel(1984)用防虫围网法作过啄木鸟对按天牛(Phoracontha semipunctata)控制作用的研究,表明啄木鸟对按天牛的捕食率达29.2%.

     

    Abstract: Study on the predation of wood pecker of the 8 species on insects in poplar plantation were conducted periodically.It was found that the predation rate of wood pecker to the larvae of Paranthrene tabaniformis,Clania variegata,Anoplophora glabripennis and Apriona germari was 14.6%~75.7%,64.7%,31.3%~35.6%, 37.3%,to the pupae of Cnidocampa flavescens and Cerura menciana 50.0%~8.6% and 70.0%~95.5%,to the egg and ootheca of Lymantria dispar and mantids 33.3%and 56.1%~68.8% respectively.Some nymphs could still emerge from the ootheca.

     

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