Susceptibilidad a insecticidas en dos poblaciones mexicanas del salerillo, Bactericera cockerelli (Sulc) (Hemiptera: Triozidae) : Susceptibility to insecticides in two mexican populations of tomato-potato psyllid, Bactericera cockerelli (Sulc.) (Hemiptera: Triozidae) - Rodríguez-Maciel, J. Concepción