中国秆野螟属昆虫的区系研究

根据现有秆野螟属Ostrinia昆虫分类研究文献,列出了中国已知种类名录,对中国该属昆虫区系组成进行了分析.结果表明:①在世界动物区系中, 可分为5个分布型, 以古北、东洋界共有种比重最大,占总种数43.75%;其次为古北界独有种,占总种数25.00%;三为东洋界独有种及古北、新北、澳洲界共有种,分别占总种数12.50%;古北、新北界共有种比重最小,占总种数6.25%;以古北、东洋界共有种,古北界独有种及东洋界独有种3个分布型种类丰富,所占比重相加高达总种数81.25%.②在中国动物区划中, 可分为12个分布型,以东北,华北,蒙新及华中区专有种比重较大,分别占总种数12.50%;以东北,华北,蒙新,华中及华南区专有种丰富,所占比重相加达总种数56.25%,其余两区及两区以上的共有种所占比重较小.

Chinese Fauna of the Genus Ostrinia(Lepidoptera:Pyralidae)

According to the published papers about Ostriniu insects,the Chinese fauna of the genus Ostriniu is analyzed and all the known species and subspecies in China are listed with data of hosts and distributions.1)In the world animal fauna,they can be divided into 5 distribution patterns.The common species of Palearctic and Oriental Realms ranks the first,accounting for 43.75% of the total 16 Chinese species.The endemic species of Palearctic Realm the second,25.00%.The endemic species of Oriental Realm and the common species of Palearctic,Nearctic and Australian Realms the third,accounting for 12.50% of the total respectively.The common species of Palearctic and Nearctic Realms the last,6.25%.2)In the Chinese animal fauna,they can be divided into 12 distribution patterns.The Ostriniu species distributed over Northeast,North,Mongolia-Xijiang and Central China Regions ranks the first,accounting for 12.50% of total respectively.South China Region and other common species of two and more than two Regions is less.