甘肃莲花山国家级自然保护区森林害虫调查研究

Investigation on Forest Pests Occurring in Lianhuashan National Nature Reserve of Gansu

采用调查与文献记载的方法,确定甘肃省莲花山国家级自然保护区林木害虫种类与分布。结果表明,该保护区林木害虫种类主要有5目、48科、237种;其中鳞翅目最多,有22科170种,其次是鞘翅目14科47种,直翅目最少,有3科3种;种类分布八渡林场最多,磨沟林场次之,沙河滩林场最少,害虫种类主要分布在海拔2 000~2 350m。同时提出了该区森林害虫有效防控对策。

An investigation was carried out on the species and distributions of forest pests occurring in Lian- huashan National Nature Reserve combined with literature consulting. Five orders,48 families and 237 spe- cies of forest pests were found in the reserve. Lepidoptera was the most abundant,including 22 families and 170 species,followed by Coleoptera （14 families and 47 species） ,and Orthoptera （3 families and 3 species）. The highest number of pest species was found in Badu Forest Farm, followed by Mogou Forest Farm,and Shahetan Forest Farm. The pests were mainly distributed in the altitude of 2 000--2 350 m. Some effective pest prevention measures in the area were put forward.