Fauna analysis district showed that the butterflies property of Hangzhou should belong to a transition from Palaearctic to Oriental region.

• 区系分析结果表明,杭州地区蝴类以古北东洋共有种和东洋种为主要成份,属东洋区系范畴,并具有由东洋区向古北区过渡的特征。