nymphal

Sense organ and papillae around the mouth of nymphal A.agkistrodontis were occasionally seen under scanning electron microscope.

虫体口和对钩外的体表上布满大小似吸盘样感觉器;

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

形态各异的类蜉蝣稚虫生活在的小环境,表明类化和形态变化与环境有密切关系。

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

结果表明：生蜂均可生烟粉虱的1~4龄若虫。

Damselfly - an important stillwater aquatic insect most commonly imitated in the nymphal form;

Adult looks like a dragonfly, but folds its wings along its back when at rest一非常重要的水生昆虫（生活于静水），我们会模仿这昆虫的幼虫阶段。