Study on Lepidoptera Insects Fauna of Kongtong Mountains Natural Conservation Area

The investigation was conducted on the insects of collecting and identification in Kongtong Moun-tains,there is 909 species of insects,which belongs to 16 orders,107 families,and 466 genera.Among them,the species of Lepidoptera insects is 482,belonging to 29 families,265 genera.By the analysis of Lepidoptera Fauna insects the results showed: in the whole species,398 palaearctic species accounted for 82.57%;47 oriental species accounted for 9.75%,11 oriental-palaearctic species accounted for 2.28%;26 dispersed species accounted for 5.39%,among which palaearctic species is predominate in number.The species of Lepidoptera insects in Kongtong Mountains on the sunny slope is 2.99 times than that on the shady slope.The amount of Lepidoptera insects on the shady slope is 2.77 times than that on the sunny slope.Species number of Lepidoptera insects in Kongtong Moun-tains has one peak value every year,occurring between July and August.