cotton stainer
noun
1- a North American bug which feeds on cotton bolls, causing reddish staining of the fibres棉红蝽象; 污棉虫。
1.1
- Genus Dysdercus, family Pyrrhocoridae, suborder Heteroptera: several species, in particular D. suturellus.异翅亚目, 红蝽科, 棉红蝽属： 数种, 尤指美棉红蝽。