According to research by the National Institute of Forest, Agricultural and Livestock Research (INIFAP), not treating the colonies infested by Varroa can lead to a 65 per cent less production in comparison to colonies where the acari is controlled. One problem is that current methods for control are proving relatively ineffectual.
Researchers from INIFAP have recommended an organic control of the pest: using powdered thymol (a natural monoterpene phenol derivative of cymene). This chemical is easy to employ and cheaper, the acari do not develop resistance to it nor does it generate residue on honey or bee wax if generating appropriately. The method consists in using powdered thymol mixed with powdered sugar. The mixture is spread in tin foil and placed in hives 90 days before bloom begins.
The impact of the parasite is significant because Mexico is one of the top five bee producing countries worldwide and also a major exporter to other nation.
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