尾须是由昆虫第11腹节附肢演化而成的1对须状外突物,存在于部分无翅亚纲和有翅亚纲中蜉蝣目、蜻蜓目、直翅类及革翅目等较低等的昆虫中。尾须亦称“尾毛”。昆虫腹部端节背侧之后的一对须状构造。变化很多,如衣鱼成很长的尾须,蠼螋成两个尾铗,多数昆虫变成尾毛。有感觉或防护的功用。
本实验用扫描电镜观察了德国小蠊尾须的细微结构。
The morphological features of Biattlla germanica cerci were observed under scanning electron microscope.
尾须:某些昆虫尾部外侧一对有感觉功能的附尾之一,如雌蚊的尾须。
Cercus: either of a pair of terminal dorsolateral sensory appendages of certain insects such as the female mosquito.
为了保证地下采矿的安全,尾砂须先固化后充填。
For the safety of mining underground, the tailings must be solidified before backfilling.
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