The Studies Of Species And Variety On Trichoptera In North Of Tianshan Mountains

The author collected the Trichoptera in The North of Tianshan Mountains from 2003 to 2005 and identified all The Trichoptera which have been collected. The author also investigated the preponderant species,dominating families,genus,species and so on. As a result ,we can know more about the aquatic resource .All above establishes the preliminary base of aquatic insects useful for the evaluating and monitoring water quality. The results were concluded as follows:1. The sample has been identified in 2005 and the result is: There are 12 species(3 species of which only be identified to genus)belong to 7 families.2. One genus and 3 species are new records of China.3. One family is new record of Xinjiang.4. The three new records of China have been described detailed in this article,They were listed on every new record involving the literature,area of type species,distribution,5. The preponderant species are Apataniana impexa, Lepidostoma iranica; The particular species are Lepidostoma iranica,Ylodes internus,Leptocerus similis,Dolophilodes dharmakala Schmid and Rhyachophila quadrifida. characteristic figures. All above is the preliminary research of classify about Trichoptera6. the author listed the checklist of Trichoptera in Xinjiang according to the classified system .