LIQUID INSECTICIDAL PREPARATION FOR HEAT FUMIGATION AND METHOD FOR KILLING INSECTS BY HEAT FUMIGATION

摘要

A LIQUID INSECTICIDAL PREPARATION FOR HEAT FUMIGATION, WHICH COMRPISES (A) 0.1 TO 15BY WEIGHT OF A PYRETHROID COMPOUND, (B) 0.3 TO 10BY WEIGHT OF AN ISOPROPYL ESTER OF HIGHER FATTY ACID OR DIBUTYL PHTHALATE, ON THE BASIS OF TOTAL PREPARATION, AND (C) SATURATED HYDROCARBON (S) HAVING A BOILING POINT OF 180° TO 310°C IS STABLY FUMIGATED WITHOUT ANY CLOGGING OF A POROUS ABSORPTIVE WICK WITH A STABLE INSECTICIDAL EFFECT FOR A LONG TIME, WHEN USED BY DIPPING A PART OF THE POROUS ABSORPTIVE WICK THEREIN, THEREBY ABSORBING THE PREPARATION INTO THE WICK, AND HEATING THE DIFFERENT PART OF THE WICK FROM THE PART DIPPED IN THE PREPARATION, THEREBY FUMIGATING THE PREPARATION. (FIG. 1)