Translation guide
A type of insect known for emitting a foul odor when threatened. In Japanese, the most common word is カメムシ, but there are also specific terms for different species.
The common insect that releases a bad smell when disturbed.
The brown marmorated stink bug, an invasive species common in homes.
A common green species often found on plants.
The common green stink bug (Nezara viridula).
アオクサカメムシが野菜についていた。
A green stink bug was on the vegetables.
カメムシ is the safest word for any stink bug. If you need to be specific, you can add color or description, e.g., 茶色いカメムシ (brown stink bug).
The most common and general term for stink bugs. Can be written as 椿象 or 亀虫 in kanji, but katakana is most typical.
家の中にカメムシが入ってきた。
A stink bug got into the house.
カメムシは臭い匂いを出す。
Stink bugs emit a bad smell.
A colloquial, somewhat childish term literally meaning 'fart bug'. Used in casual conversation.
ヘコキムシが飛んできた！
A stink bug flew in!
Literally 'stink bug', but less common than カメムシ. May be used regionally or in children's language.
クサムシを触らないで。
Don't touch the stink bug.
Specifically the brown marmorated stink bug (Halyomorpha halys). Often found indoors in autumn.
秋になるとクサギカメムシが家の中にたくさん入ってくる。
In autumn, many brown marmorated stink bugs come into the house.