| 摘要 |
<p>Mats for use in an insecticide emanator, which contain an insecticidal composition comprising one or more pyrethroid insecticide having a vapour pressure at 25 °C of from 0.1 to 200 milliPascals (mPa), preferably from 0.1 to 100 mPa, especially from 1 to 50 mPa, together with piperonyl butoxide and/or one or more analogues thereof, in a weight ratio of pyrethroid insecticide to piperonyl butoxide and/or its analogues of from 5:1 to 50:1.</p> |
