pond skater
noun
1- a slender predatory bug which moves quickly across the surface film of water, using its front legs for catching prey. Called WATER STRIDER in North America.黾蝽。北美称WATER STRIDER.
1.1
- Family Gerridae, suborder Heteroptera: Gerris and other genera, and many species, in particular the common European G. lacustris.水黾科, 异翅亚目：水黾属及其他属, 多种, 尤指常见的欧洲湖沼黾蝽。