nymphal

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

形态各异种类蜉蝣稚虫生活小境,表明种类演化和形态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.

两种寄生蜂均可寄生烟1~4龄若虫。