428 species were divided into three types: Eurytopic species (29), Frequent species (27), Rare species (372). Using Berger-Parkerdominance index, pestinsect dominant species can be determined.

• 采用植物学上的频度分析研究了昆虫种类的发生分布,广布种有29种,一般种有27种,窄布种有372种;