During 2007-2014 has appeared, in the South part of Romania, a pandemic of common voles (field mice), which surprised farmers and authorities and which caused damages of 1,200-2,000 kg/ha on wheat and 1,000-1,700 kg/ha on rape. This enormous pest produced, at national level, damages of over 3 billion RON, i.e. 700 million EURO only in 2014. The knowledge of the problem and the pandemic control…