Translation guide
A small parasitic insect that feeds on human blood, often found in bedding.
トコジラミ
bedbug
Referring to the insect itself.
The standard term for bedbug in Japanese. Used in both everyday and technical contexts.
ホテルでトコジラミに刺された。
I was bitten by bedbugs at the hotel.
A loanword from English, sometimes used in travel or pest control contexts, but not as common as トコジラミ.
ベッドバグの被害が増えている。
Bedbug infestations are increasing.
An older, more colloquial term for bedbug. Still understood but less common in modern usage.
南京虫の駆除は大変だ。
Getting rid of bedbugs is tough.