water cricket
noun
1- a predatory water bug that runs on the surface film of water, related to the pond skater but with shorter legs. Called WATER STRIDER in North America.水黾, 黾蝽（北美称WATER STRIDER）。
1.1
- Family Veliidae, suborder Heteroptera: several genera, in particular Velia.宽肩黾科, 异翅亚目：数属, 尤指宽黾属。