There are described a flowable composition for controlling harmful insects and representatives of the order Acarina, comprising at least one pesticidally active compound, one or more signal substances selected from the group consisting of pheromones, kairomones and attractants, a UV absorber or a UV absorber mixture and, if appropriate, one or more additives selected from the group consisting of viscosity-regulating thickeners, fillers, solvents and other formulation auxiliaries, which composition comprises 40 to 98% by weight of the UV absorber or the UV absorber mixture, 0.01 to 30% by weight of one or more signal substance(s) and 0.1 to 20% by weight of one or more pesticidally active compound(s) of the formulae (I) to (V) as specified, and a method of controlling harmful insects and representatives of the order Acarina using this composition.