whirligig beetle
US /ˈwɜːrlɪɡɪɡ ˌbiːtl/
UK /ˈwɜːrlɪɡɪɡ ˌbiːtl/

1.
besouro-girino
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.
A lagoa estava cheia de pequenos besouros-girinos, que se moviam rapidamente e giravam.
•
A whirligig beetle can see both above and below the water simultaneously.
Um besouro-girino pode ver tanto acima quanto abaixo da água simultaneamente.