Liquid compositions comprising suspended, solid insect growth regulators are disclosed. Processes for producing such liquid compositions and uses thereof in animal feeds are also disclosed. In the preferred embodiment, the liquid composition comprises a polar diluent, a carrier, and a solid form of the insect growth regulator where the solid form of the insect growth regulator is suspended in the polar diluent. The insect growth regulator is selected from the group consisting of fenoxycarb, kinoprene, pyriproxifen, methoprene, hydroprene, and combinations of any thereof.La présente invention concerne des compositions liquides contenant des régulateurs solides de croissance d'insecte en suspension. L'invention concerne également des procédés de production de ces compositions liquides et leur utilisation dans des aliments pour animaux.