The collective trichome cover of a plant surface is called pubescence . 植物表面聚集的毛状物称为柔毛。
2.
It is conceivable that pubescence forms a barrier, particularly for young nymphs . 可以想象，柔毛能形成一个阻障，特别是对幼小的若虫。
3.
In general, the purely mechanical effects of the pubescence depend on four main characteristics of the trichomes: density, erectness, length, and shape . 一般来说，柔毛的机械作用取决于毛状体的四个主要性状：密度、直立性、长度和形状。
4.
Pubescence is found only in the sn population on the surface of veins Sn居群的叶脉表面有毛，其他居群没有。
5.
And a new record species , duriocoris serratus miller , from china . the diagnostic features , such as pubescence , tubercles and spines , and measurements of body and appendages are described and figured . the geographical distribution of all species is also given 对于所有作者观察到标本的种类均给出了详细的外部形态描述、体躯各部分和附肢的量度以及所有种类的已知寄主和地理分布情况，并附有详细的形态特征图。
