Title:Characterization of Bacillus larvae white, the causative agent of American foulbrood of honey-bees : First record of its occurrence in Argentina / Caracterizacion de Bacillus larvae white, agente causal de la loque americana de las abejas. Primer registro en la Argentina.
Title:Identificación de las "abejas sociales" del género Bombus (Hymenoptera, Apidae) presentes en la Argentina: clave pictórica, diagnosis, distribución geográfica y asociaciones florales / IIdentification of the bumble bees species present in Argentina (Hymenoptera, Apidae): Illustrated key, diagnosis, geographical distribution and floral associations