In the 1970 ’ s, however, many countries decided to restrict the use of DDT ​ — a primary weapon against bedbugs — ​ because it was toxic and ecologically harmful.
Namun, pada 1970 - an, banyak negara memutuskan untuk melarangkan penggunaan DDT ​ — senjata utama melawan kepinding — ​ karena beracun dan merusak lingkungan.