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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 ... -
Natural occurrence of entomophthoroid fungi (Entomophthoromycota) of aphids (Hemiptera: Aphididae) on cereal crops in Argentina
Manfrino, Romina Guadalupe; Hatting, J.L.; Humber, Richard; Salto, Cesar Eduardo; Lopez Lastra, Claudia Cristina (2014-01)The spectrum of entomophthoroid fungal species parasitising aphids on cereal crops and a study of the phenology and prevalence of these pathogens were investigated in Argentina. The studies were conducted at six different ... -
Natural occurrence of entomophthoroid fungi of aphid pests on Medicago sativa L. in Argentina = Ocurrencia natural de hongos entomophthorales de áfidos plaga de Medicago sativa L. en Argentina
Manfrino, Romina Guadalupe; Zumoffen, Leticia; Salto, Cesar Eduardo; Lopez Lastra, Claudia Cristina (2014-03)Four species of entomophthoroid fungi, Pandora neoaphidis (Entomophthorales: Entomophthoraceae), Zoophthora radicans (Entomophthorales: Entomophthoraceae), Entomophthora planchoniana (Entomophthorales: Entomophthoraceae) ... -
Preliminary study on parasitism of aphids (Hemiptera: Aphididae) in relation to characteristics of alfalfa fields (Medicago sativa L.) in the Argentine Pampas
Zumoffen, Leticia; Salto, Cesar Eduardo; Salvo, Silvia Adriana (Elsevier, 2012-09-12)Alfalfa is a perennial crop and is one of the most relevant forage resources for cattle in the Argentine Pampas, with aphids (Hemiptera Aphididae), one of the main pest insects in alfalfa, being frequently attacked by a ... -
Prevalence of entomophthoralean fungi (Entomophthoromycota) of aphids (Hemiptera: Aphididae) on solanaceous crops in Argentina
Manfrino, Romina Guadalupe; Gutierrez, Alejandra Concepción; Steinkraus, D.C.; Salto, Cesar Eduardo; Lopez Lastra, Claudia Cristina (2014-09)Solanum melongena L. and Capsicum annuum L. were sampled in Argentina to determine the prevalence of fungal diseased aphids. The pathogens identified were Pandora neoaphidis (Remaudière & Hennebert) Humber and Zoophthora ... -
Prevalence of entomophthoralean fungi (Entomophthoromycota) of aphids in relation to developmental stages
Manfrino, Romina Guadalupe; Gutierrez, Alejandra Concepción; Rueda Páramo, Manuel Enrique; Salto, Cesar Eduardo; Lopez Lastra, Claudia Cristina (Wiley, 2016-08)BACKGROUND: Transmission of fungal pathogens of aphids may be affected by the host developmental stage. Brassica and Lactuca sativa L. crops were sampled in Santa Fe, Argentina, to determine the prevalence of fungal‐diseased ... -
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 ...