Abstract: An insecticidal bait composition and method of making same, the composition comprising between about 92.5% to 98% by weight of a member selected from the group consisting of diatomaceous silica, crushed clamshells and mixtures thereof, the diatomaceous silica and/or clamshells being crushed to particles of a size of less than about 45 microns; between about 1.3% to 5% by weight honey; and between about 0.7% to 2.5% by weight paste yeast, the composition being prepared by agitating the ingredients of the composition together with water and drying the agitated ingredients to evaporate the water and crystallize the paste yeast and honey onto the particles. This composition is a safe insecticide, made from natural ingredients. It retains its potency well under external conditions including heat, cold and rain.