This strain of lac insect species was introduced from Nepal in 1999.It completed the life-cycle twice a year in Yuanjiang of Yunnan Province. The lac insect showed a stable life-cycle which indicated that the introduction and reproduction was successful.

• 紫胶蚧于1999年自尼泊尔引入我国,在云南元江1a发生2代,世代周期稳定,生活史正常,引种繁殖成功;