hagenowii could parasitize P. americana oothecae with the maxmium of 4 and the average of 2. 4 grains. The mean individuals of offsprings was 56. 7. After emerged from the oothecae, the parasitoids could immediately copulate.

• 1对啊氏啮小蜂(饲10%25蜜水)最多可寄生4粒美洲大蠊卵荚，平均寄生2.；4粒，每粒被寄生的卵荚平均出蜂量为56