PRESENCIA DE UNA ESPECIE DEL GÉNERO ERETMOCERUS (HYMENOPTERA: APHELINIDAE) SOBRE BEMISIA TABACI (HEMIPTERA: ALEYRODIDAE) EN EL CULTIVO DE PIMIENTO EN TUCUMÁN, ARGENTINA (original) (raw)

Presence of a species of the genus Eretmocerus (Hymenoptera: Aphelinidae) on Bemisia tabaci (Hemiptera: Aleyrodidae) in the pepper crop from Tucumán, Argentina». The objective of this work was to identify the microhymenopterous parasitoid of B. tabaco in the pepper crop in Lules, Tucumán, Argentina. Sampling consisted in collect ing leaves with whitefly «pupae» with parasitoidism symptoms which were then taken to the Laboratory of Agricultural Zoology, National University of Tucumán (FAZ – UNT), to obtain the adult parasitoids. Semipermanent microscopic preparations were made. Identification keys and taxonomical descriptions from different authors were used. It was identified to Eretmocerus sp., close to E. silvestrii Gerling. The silvestrii group is cited for the first time in South America and in Argentina on B. tabaci in the pepper crop