Diferentes concentracoes de heptacloro em termonebulacao, no controle de tres especies de sauvas, Atta sexdens rubropilosa, Atta laevigata e Atta bisphaerica (Hymenoptera: Formicidae)[formiga, inseticida, Brasil]
[Different concentrations of heptachlor in thermonebulization, as control treatments of three species of leaf-cutting ants, Atta sexdens rubropilosa, Atta laevigata and Atta bisphaerica (Hymenoptera: Formicidae)[ant, insecticide, Brazil]]