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Article

Efficacy and Toxicity of VarroMed® Used for Controlling Varroa destructor Infestation in Different Seasons and Geographical Areas

1
Agricultural Institute of Slovenia, 1000 Ljubljana, Slovenia
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Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy
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Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia
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Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy
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Support Center for Beekeeping, Visitor Center Lieteberg, 3690 Zutendaal, Belgium
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Honeybee Valley, Ghent University, 9000 Gent, Belgium
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Fondazione Edmund Mach, Centro Trasferimento Technologico, 38098 S. Michele all’Adige, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Ángel J. Gutiérrez Fernández
Appl. Sci. 2021, 11(18), 8564; https://doi.org/10.3390/app11188564
Received: 9 July 2021 / Revised: 8 September 2021 / Accepted: 10 September 2021 / Published: 15 September 2021
VarroMed® is a soft acaricide registered for honey bees on the European Union market since 2017 for Varroa control. Researchers involved were partners of different countries of the Varroa control task force of the COLOSS Association. Our goal was to evaluate performances (acaricide efficacy and toxic effects on honey bees) of VarroMed® in different climatic conditions. Our results in the tested apiaries showed an efficacy ranging from 71.2 to 89.3% in summer/autumn, and from 71.8 to 95.6% in winter. No toxic effects on bees were observed, except in one apiary, where severe cold climatic conditions played a crucial role. The treatment could be efficiently applied in broodright as well as in broodless colonies. Integrated pest management (IPM) recommendations for beekeepers are provided in order to apply the best Varroa control protocol. View Full-Text
Keywords: VarroMed®; Varroa destructor; winter treatment; summer-autumn treatment; queen caging; brood interruption VarroMed®; Varroa destructor; winter treatment; summer-autumn treatment; queen caging; brood interruption
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MDPI and ACS Style

Smodiš Škerl, M.I.; Rivera-Gomis, J.; Tlak Gajger, I.; Bubnič, J.; Talakić, G.; Formato, G.; Baggio, A.; Mutinelli, F.; Tollenaers, W.; Laget, D.; Malagnini, V.; Zanotelli, L.; Pietropaoli, M. Efficacy and Toxicity of VarroMed® Used for Controlling Varroa destructor Infestation in Different Seasons and Geographical Areas. Appl. Sci. 2021, 11, 8564. https://doi.org/10.3390/app11188564

AMA Style

Smodiš Škerl MI, Rivera-Gomis J, Tlak Gajger I, Bubnič J, Talakić G, Formato G, Baggio A, Mutinelli F, Tollenaers W, Laget D, Malagnini V, Zanotelli L, Pietropaoli M. Efficacy and Toxicity of VarroMed® Used for Controlling Varroa destructor Infestation in Different Seasons and Geographical Areas. Applied Sciences. 2021; 11(18):8564. https://doi.org/10.3390/app11188564

Chicago/Turabian Style

Smodiš Škerl, Maja I., Jorge Rivera-Gomis, Ivana Tlak Gajger, Jernej Bubnič, Gabriela Talakić, Giovanni Formato, Alessandra Baggio, Franco Mutinelli, Wim Tollenaers, Dries Laget, Valeria Malagnini, Livia Zanotelli, and Marco Pietropaoli. 2021. "Efficacy and Toxicity of VarroMed® Used for Controlling Varroa destructor Infestation in Different Seasons and Geographical Areas" Applied Sciences 11, no. 18: 8564. https://doi.org/10.3390/app11188564

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