During the period when no means other than kayariki were available for extermination of mosquitoes, kayariki played an important role, but their role has been shrinking as well as the use of incense at home, as electric mosquito repellent heaters have become widely used.
駆除を手段とした蚊よけが蚊取り線香のみであった時代には重要な役割を果たしていたが、電気蚊取り機の普及以降、線香と共に一般家庭における役割を縮小している。