乐山地区齿蛉科昆虫种类调查及栖境分析

The Species Investigation and Habitat Analysis of Corydalidae in Leshan.

本文调查了四川乐山地区的齿蛉科昆虫种类,并描述和分析了其生活环境。结果表明:乐山地区有10种齿蛉科昆虫,隶属于2个亚科、5个属,有6种属于齿蛉亚科,4种属于鱼蛉亚科,星齿蛉属和斑鱼蛉属的种类最多,分别有3个种。峨眉山的种类最为丰富(10种),其次为大渡河和青衣江。齿蛉科昆虫多生活在水质较好的流水中,喜藏于沙土中的石块下,岸边要有适宜化蛹的沙土和成虫的寄主植物。

In this paper,the species of Corydalidae in Leshan,Sichuan Province was investigated and its environment and habitat were analyzed.The results showed that there were 10 species of Corydalidae in Leshan which belonged to 2 subfamilies,5 genera.Six of the ten species belong to Corydalinae and the other four species belong to Chauliodinae.The genera of Protohermes and Neoneuromus have the most species of three respectively.Mount Emei has the most abundant species of Corydalidae and Dadu River and Qingyi River are following.The Corydalidae insects mostly live in running water of better quality and like to hide in the sand under the stone.There must be sandy soil appropriate to pupation and host plants for adult of Corydalidae on the shoreside.