The samples were taken from hives located in the municipalities of Tepechitlán, Tlantenango, Momax, Nochistlán and Valparaíso at altitudes between 1200 and 2000 m above sea level.
Las muestras se tomaron de los municipios de Tepechitlán, Tlantenango, Momax, Nochistlán y Valparaíso, a altitudes entre 1200 y 2000 m sobre nivel del mar.