2018年信阳探照灯下鳞翅目昆虫种类及组成分析

Species and Composition Analysis of Lepidoptera under Xinyang’s Searchlight in 2018

对信阳地区高空探照灯下鳞翅目昆虫的种类和组成进行调查。结果表明:共诱捕到鳞翅目昆虫13科149种9471头,其中以螟蛾科和夜蛾科种类数量最多,分别占调查总种类数的31.25%和59.56%。螟蛾科共诱集到20种,其中以甜菜白带野螟和瓜绢野螟居多,分别占螟蛾科总数的35.06%和37.97%;夜蛾科共诱集到50种,其中以棉铃虫和朽木夜蛾居多,分别占夜蛾科总数的52.94%和18.83%。且鳞翅目的这4种优势种的消长规律相似,高峰期均在9月份。

Species and composition analysis of Lepidoptera under Xinyang's searchlight was investigated.The results showed that the most species were Pyralidae and Noctidae,accounting for 31.25%and 59.56%of the total species respectively.There was 20 species,that of which Hymenia recurvalis(Fabricius)and Diaphania indica(Saunders)were dominant species in Pyralidae,accounting for 35.06%and 37.97%respectively.There was 50 species,that of which Helicoverpa armigera Hubner and Axylia putris were dominant species in Noctidae?accounting for 52.94%and 18.83%respectively.Moreover,the fastigium of the four dominant species with similar growth and decline rule was September.