论文部分内容阅读
瓢虫成虫和幼虫大部份能捕食松林中的蚜虫、介壳虫等害虫的多种虫态,是一类较有利用前途的天敌昆虫。为了摸清本地区松林瓢虫的种类和发生消长情况,为保护和利
Most ladybug adults and larvae can predate a variety of insect states such as aphids, scale insects and other insect states in the pine forest. They are a predatory natural enemy insect. In order to find out the area of pine ladybug species and the occurrence of growth and decline, for the protection and Lee