PROBLEM TO BE SOLVED: To obtain a controlling agent for cockroaches or ants and to provide a method for controlling the same.;SOLUTION: The stomach poison for ants or cockroaches comprises bistrifluron (N-(2-chloro-3,5-bis-(trifluoromethyl)phenyl)-N'-(2,6-difluorobenzoyl)urea) and a bait for ants or cockroaches. The method for controlling ants or cockroaches comprises setting the stomach poison in an appropriate container (bait station) having a space to which ants or cockroaches can easily access and placing the container on a passage of ants or cockroaches.;COPYRIGHT: (C)2004,JPO&NCIPI
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