Frasskoeder zur Bekaempfung von beissenden Insekten und Verfahren zu dessen Herstellung

Baits for controlling biting insects contain microencapsulated insecticides and also microencapsulated repellants, attractants and/or synergists. Also claimed is a process for producing insecticide-contg. microcapsules, comprising heating a mixt. of polyethylene glycol, an aq. attractant soln. and a volatile solvent to 60deg.C while stirring, adding permethrin, and aminoplast resin and an aq. citric acid soln., stirring vigorously for a short time, stirring more gently at 60deg.C for up to 2 hr, and cooling to room temp. USE - esp. for controlling termites. ADVANTAGE - incorporation of microencapsulated repellents, attractants or synergists is stated to animate the target insects into taking the bait and to allow the amt. of insecticide used to be reduced.