Abstract: It was found that Spodoptera mauritia Baisduval is one of important pests harming Bermuda grass turf in Fujian.It occurs six to seven generations a year in Fuzhou area.The mature larva of S.mauritia Baisduval in the late sixth or early seventh generation overwinter under the sod or soil. They start occuring and harming from the second ten days or the last ten days of April.The pest harms turf more seriously in July,August and September.Ih this paper,the bionomics such as life history,development speed and life habits and control effects in Sunmit golf course turf of Fuzhou was reported.