衛えい生せい害がい虫ちゅうMeaningsNoun1. disease-carrying insectKanji used衛defend生life害harm虫insectComposed of衛えい生せいhygiene; sanitation; cleanliness; health; toilet; restroom; bathroomNoun害がい虫ちゅうharmful insect; noxious insect; pest; verminNoun