The usage of Neonicotinoids for wood preservatives is common practice in several countries. Especially the active ingredient Imidacloprid is well established for this application due to its high efficacy against termites. (2Z)-3-(6-chloro-3-pyridylmethyl)-1,3-thiazolidin-2-ylidene-cyanamide, also known as Thiacloprid showed a good efficacy against Reticulitermes santonensis De Feytaud in efficacy tests to obtain an authorisation according to the Biocidal Product Directive (Directive 98/8/EC of the European parliament and of the council) and is therefore a possible alternative to Imidacloprid in protecting wood against further termite species. This paper summarizes laboratory tests done with different Thiacloprid-treated pine species against termites occurring in Mexico as well as the results of a subsequent field trial performed in the central region of the Mexican state Veracruz.

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