Claim 1: a method to control insects of the order Hemiptera, which are resistant to neonicotinoid insecticides, method comprising the application to such insects resistant to neonicotinoids, a compound of formula (1), where a is - ch u2082 - ch u2082 - or - ch = CH - r u00b9 is Hi； Dr u00f3geno, Formilo, cyano, Hydroxy, nh u2082 c u2081 u208b u2086 (optionally replaced by alkyl, aryl, ariloxi,Heteroaryl or heterociclilo, where they themselves may be optionally substituted by one to three substituents are selected independently of halogen, Nitro, cyano, alkyl and alkoxy c u2081 u208b u2084, haloalquilo c u2081 u208b u2084, c u2081 u208b u2084), haloalquilo c u2081 u208b u2086 (optionally substituted po R one to two substituents are selected irrespective of c u2081 u208b u2084 (TRI Hydroxy alkyl, alkoxy, sililoxi, c u2081 u208b u2084)C u2081 u208b u2082 carbonyloxy alkyl -, and alquenil c u2083 u208b u2085), cianoalquilo c u2081 u208b u2086, c u2081 u208b u2086alquilo c u2081 u208b u2086 alkoxy alkyl, alkoxy c u2081 u208b u2084alcoxi c u2081 u208b u2084alquilo c u2081 u208b u2084, c u2081 u208b u2086carbonilalquilo c u2081 u208b u2086, alkoxy c u2081 u208b u2086iminoalquilo c u2081 u208b u2084, haloalcoxi c u2081 u208b u2084alquilo c u2081 u208b u2084, C u2081 u208b u2086carbonilalquilo c u2081 u208b u2086 alkoxy, alkoxy c u2081 u208b u2084alcoxi c u2081 u208b u2084carbonilalquilo c u2081 u208b u2086, hidroxicarbonilalquilo c u2081 u208b u2086,Ariloxicarbonilalquilo c u2081 u208b u2086 (where the aryl Group can be optionally substituted by one or two substituents are selected independently Halogen alkyl, cyano, Nitro, c u2081 u208b u2084, haloalquilo c u2081 u208b u2084, alkyl and alkoxy c u2081 u208b u2084), c u2081 u208b u2084aminocarbonilalquilo c u2081 u208b u2086, di (alkyl c u2081 u208b u2084) aminocarbonilalquilo c u2081 u208b u2086, haloalquil c u2081 u208b u2084aminocarbonilalquilo c u2081 u208b u2086, di (haloalquil aminocarbonilalquilo c u2081 u208b u2086,
