mouthpart

US /ˈmaʊθ.pɑːrt/
UK /ˈmaʊθ.pɑːrt/
"mouthpart" picture
1.

口器, 口部

any of the appendages of an arthropod that are used in feeding, such as the jaws of an insect or the chelicerae of a spider

:
The mosquito's mouthparts are adapted for piercing and sucking blood.
蚊の口器は、刺して血を吸うのに適応している。
Insects have various types of mouthparts depending on their diet.
昆虫は食性に応じて様々な種類の口器を持っている。