Resumen
The test was carried out in the experimental area at the School of Agronomy / UFG, Goiânia - GO, for the control of L. huidobrensis with contact insecticide and ingestion sprayed on potato variety Agate. The experiment was conducted during the period from January to May. The experimental design used was one random complete blocks with six treatments and four replications. Each plot consisted of three lines of 10 meters - length. The treatments used was control treatment ie without any chemical product, Vertimec 84 in the SC doses of 25, 50, 100, and 200 ml of c.p. / ha and Vertimec EC 18, in the dose of 1000 c.p. ml / ha. Three weekly sprays were performed, which began at stage BBCH 21, 23 and 24. Since the tests were conducted on 50 leaflets from each plot in advance, seven days after the second application and at seven and fourteen days after the third application. According to the observed results it is concluded that Vertimec 84 SC in the doses of 100 pc and 200 ml / ha and Vertimec 18 EC in the dose of 1000 ml cp / ha showed efficient above 80% in weekly applications, and this efficiency extended up to fourteen days after the third and final application in the control of Liriomyza huidobrensis in potato cultivation.