whirligig beetle

US /ˈwɜːrlɪɡɪɡ ˌbiːtl/
UK /ˈwɜːrlɪɡɪɡ ˌbiːtl/
"whirligig beetle" picture
1.

вертячка

a type of beetle that typically lives on the surface of water, often swimming rapidly in circles

:
The pond was full of tiny whirligig beetles, darting and spinning.
Пруд был полон крошечных вертячек, которые метались и кружились.
A whirligig beetle can see both above and below the water simultaneously.
Вертячка может видеть как над, так и под водой одновременно.