山西太谷单作枣园昆虫种类的组成

对山西省太谷县单作枣树园中的昆虫进行了调查研究(包括实地采集和现有文献的统计),结果表明:未除草的枣园的昆虫共有12目、72科、163属、178种,除草的枣园的昆虫共有12目、50科、79属、88种。未除草的枣园的昆虫科、属、种的数量明显比除草的枣园的昆虫科、属、种的数量多。此外,两种不同类型的枣园优势目从各目的科、属、种的数量来排列次序是不同的,但昆虫单属、寡属和单种、寡种都是占绝对优势比例。

The Species Composition of Insects in Monoculture Jujube Orchard in Taigu Shanxi

178 species,belonging to 163 genera,73 families and 12 orders,are recorded in monoculture jujube with weeds.88 species of insects,belonging to 79 genus,50 families and 12 orders,are recorded in monoculture jujube yard without weeds.The distribution law of species in monoculture jujube yard with weeds > monoculture jujube yard without weeds.The arranges of superiority orders,by number of families,genus,were different at two types jujube orchard.The dominant proportions,with single specie and few species,with single genus and few genera were similar at two types jujube orchard.