Linepithema micans (Forel, 1908) (Hymenoptera: Formicidae) is the main ant species responsible for spreading ground pearl, Eurhizococcus brasiliensis (Wille, 1992) (Hemiptera: Margarodidae). The effect of different formulations hydramethylnon toxic baits (TB) was evaluated on control L. and E. brasiliensis. Four TB were in a greenhouse to micans. Based experiment results, small pellet formulati...