Ptyomaxia sp. was controlled with Bt at the concentration of 8~10 IU/mL in mangrove forest, and the average lethality was 90.61%.

• 在林间；用8~10IU/mL的Bt稀释液喷雾对海榄雌瘤斑螟进行防治实验；平均防效为90.；61%25