Now showing items 1-10 of 10

    • Determination of imidacloprid in beehive samples by UHPLC-MS/MS 

      Michlig, Melina P.; Merke, Julieta; Pacini, Adriana Cecilia; Orellano, Emanuel; Beldoménico, Horacio Ramón; Repetti, María Rosa (2018)
      Imidacloprid is a systemic insecticide belonging to the neonicotinoid family. It was the first neonicotinoid introduced in the mid-1990s, and since then, its use has grown rapidly to control pests in a variety of agricultural ...
    • Distribution and prevalence of Nosema apis and N. ceranae in temperate and subtropical eco-regions of Argentina 

      Pacini, Adriana Cecilia; Mira, Anabela; Molineri, Ana Ines; Giacobino, Agostina; Bulacio Cagnolo, Natalia Veronica; Aignasse, Andrea María Elisa; Zago, Luis Fernando Basili; Izaguirre, Mercedes; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Pietronave, Hernan Pablo; Russo, Romina Maria; Scannapieco, Alejandra Carla; Lanzavecchia, Silvia Beatriz; Schnittger, Leonhard; Signorini, Marcelo (2016-11)
      A total of 361 colonies from 59 apiaries located in two temperate and three subtropical eco-regions were examined during the post-harvest period to determine distribution and prevalence of Nosema spp. Apiaries from subtropical ...
    • Environment and Varroa destructor management as determinant of colony losses in apiaries under temperate and subtropical climate 

      Molineri, Ana Ines; Giacobino, Agostina; Pacini, Adriana Cecilia; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Zago, Luis Fernando Basili; Aignasse, Andrea María Elisa; Pietronave, Hernan Pablo; Rodriguez, Graciela Adriana; Crisanti, Paola Andrea; Palacio, María Alejandra; Signorini, Marcelo (2018-07)
      For the last 10 years, honey bee colony losses have been a topic of interest for researchers around the world, and many drivers for losses were described. The aim of this study was to evaluate the risk factors associated ...
    • Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina 

      Giacobino, Agostina; Rivero, Ana Inés; Molineri, Ana Ines; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Salto, Cesar Eduardo; Signorini, Marcelo (2016)
      Information on the long‑term consequences of Nosema ceranae to honey bee lifespan and effectiveness of Nosema control with fumagillin is scarce and not always consistent. Our objective in this study was to evaluate the ...
    • Key management practices to prevent high infestation levels of Varroa destructor in honey bee colonies at the beginning of the honey yield season 

      Giacobino, Agostina; Molinari, Ana; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Salto, Cesar Eduardo; Signorini, Marcelo; Pacini, Adriana Cecilia (2016)
      Varroa destructor is considered one of the main threats to worldwide apiculture causing a variety of physiological effects at individual and colony level. Also, Varroa mites are often associated with several honey bee ...
    • Potential associations between the mite Varroa destructor and other stressors in honeybee colonies (Apis mellifera L.) in temperate and subtropical climate from Argentina 

      Giacobino, Agostina; Pacini, Adriana Cecilia; Molineri, Ana Ines; Rodriguez, Graciela Adriana; Crisanti, Paola Andrea; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Pietronave, Hernan Pablo; Signorini, Marcelo (2018-09-14)
      The presence of Varroa destructor in colonies of Apis mellifera is explained by the interaction among a number of factors including beekeeping practices and surrounding environment features. The aim of this study was to ...
    • Prevalence of honey bee (Apis mellifera) viruses in temperate and subtropical regions from Argentina 

      Fondevila, Norberto Antonio; Pietronave, Hernan Pablo; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Ferrufino, Cecilia Gabriela; Zago, Luis Fernando Basili; Molineri, Ana Ines; Aignasse, Andrea Maria Elisa; Signorini, Marcelo; Giacobino, Agostina; Pacini, Adriana Cecilia (2017)
      In Argentina, bee virus studies are still incipient, and there are no studies regarding the climatic effect. The aim of this study was to assess and compare the presence of honeybee viruses in different climatic regions ...
    • Risk factors associated with failures of Varroa treatments in honey bee colonies without broodless period 

      Giacobino, Agostina; Molineri, Ana Inés; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Pacini, Adriana Cecilia; Salto, Cesar Eduardo; Signorini, Marcelo (2015-09)
      The treatment against Varroa destructor has become a basic tool in beekeeping practices, mainly during autumn. The treatment effectiveness should be improved by identifying variables affecting the final outcome. The aim ...
    • Risk factors associated with the presence of Varroa destructor in honey bee colonies from east-central Argentina 

      Giacobino, Agostina; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Salto, Cesar Eduardo; Signorini, Marcelo (2014-08-01)
      Varroa destructor is considered one of the major threats for worldwide apiculture. Damage caused by varroa mite includes body weight loss, malformation and weakening of the bees. It was also suggested as the main cause ...
    • Varroa destructor and viruses association in honey bee colonies under different climatic conditions 

      Giacobino, Agostina; Molineri, Ana Ines; Pacini, Adriana Cecilia; Fondevila, Norberto Antonio; Pietronave, Hernan Pablo; Rodriguez, Graciela Adriana; Palacio, Marí­a Alejandra; Bulacio Cagnolo, Natalia Veronica; Orellano, Emanuel; Salto, Cesar Eduardo; Signorini, Marcelo; Merke, Julieta (2016-06)
      Honey bee colonies are threatened by multiple factors including complex interactions between environmental and diseases such as parasitic mites and viruses. We compared the presence of honeybee-pathogenic viruses and Varroa ...