The results showed that the exotic bisexual Artemia might be Artemia franciscana,by analyzing of gender ratios of adult Artemia,the color of cysts,the diameter of cysts and the weight of the cysts of different safltworks.

• 分析成体卤虫的性比,卤虫卵的卵色、卵径及卵重,初步认为辽宁省孤雌生殖卤虫种群中外来的两性生殖卤虫可能是美国旧金山湾卤虫。