nymphal

This indicates that there is a close relationship between species divergence,nymphal morphology derivation and microhabitat.

形的不同种蜉蝣稚虫生活在不同的小境,表明种演化和形变化与境有密切关系。

The results indicated that both the two species of wasps could parasitize all nymphal stages of B. tabaci.

两种寄生蜂可寄生烟粉虱的1~4龄若虫。