, El Colegio de la Frontera Sur, Mexico

• ACTA ZOOLÓGICA MEXICANA (N.S.) Vol. 31 Núm. 1 (2015)
  Artículos originales
  Genetic diversity of two stingless bees, Trigona nigerrima (Cresson 1878) and Trigona corvina (Cockerell 1913), in coffee dominated landscapes in southern Mexico
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