Sexual dimorphism were found in all seven morphometric characters measured. with caudal width and subcaudal scales most significantly differentiated.

• 一、雌蛇与雄蛇的尾长，尾宽，尾围，尾下鳞数，肛鳞，尾环及体环 等7种形质都有显著的差异，而以尾宽及尾下鳞数为鑑别雌雄的 良好形质。