水すい生せい昆こん虫ちゅう

noun

aquatic insect

Refers to insects that live in or on water for all or part of their life cycle, such as water striders, diving beetles, and dragonfly larvae.

• 池いけで水すい生せい昆こん虫ちゅうを観かん察さつした。

  I observed aquatic insects in the pond.