长白山天蛾科昆虫区系特点及地理分布

调查研究表明:长白山自然保护区有天蛾科昆虫31种,隶属5个亚科19属。其中白须天蛾Kentrochrysalis sieversiAlpheraky、女贞天蛾K.streckeriStaudinger为长白山新记录,黄脉天蛾AmorphaamurensisStaudinger为优势种。绝大多数天蛾种类是单带种,仅分布阔叶红松林带,只有黄脉天蛾为多带种。天蛾成虫活动期为5月下旬~8月中旬,种群数量最多时间为6月~7月。昆虫区系主要起源于古北区,区系以东方成分为主,其次是欧洲-西伯利亚成分,亦有一定数量中亚细亚或印度-马来西亚成分。

Faunaistic characteristics and distribution pattern of Sphingidae in Changbai Mountain

There are 31 species of the family Sphingidae collected in Changbai mountain,belonging to 5 subfamilies and 19 genera.Kentrochrysalis sieversi Alpheraky and K.streckeri Staudinger are new records to the mountain and Amorpha amurensis Staudinger is the dominant species.Most of the recorded species are distributed in the single-zone,the broad-leaved Korean pine forest and A.amurensis is the only species distributed in more than one kind of forest.The sphingid moths occurred from the last ten-day of May to the middle of August and the population peak is from June to July.The main faunistic category in this region is Palaearctic origin,where East Asia distribution pattern is the most important one and Europe-Siberia pattern is the next one.There are some species belonging to Middle Asia or Oriental components.