Winter survival of individual honey bees and honey bee colonies depends on level of Varroa destructor infestation.

PloS One
C van DooremalenT Blacquière

Abstract

Recent elevated winter loss of honey bee colonies is a major concern. The presence of the mite Varroa destructor in colonies places an important pressure on bee health. V. destructor shortens the lifespan of individual bees, while long lifespan during winter is a primary requirement to survive until the next spring. We investigated in two subsequent years the effects of different levels of V. destructor infestation during the transition from short-lived summer bees to long-lived winter bees on the lifespan of individual bees and the survival of bee colonies during winter. Colonies treated earlier in the season to reduce V. destructor infestation during the development of winter bees were expected to have longer bee lifespan and higher colony survival after winter. Mite infestation was reduced using acaricide treatments during different months (July, August, September, or not treated). We found that the number of capped brood cells decreased drastically between August and November, while at the same time, the lifespan of the bees (marked cohorts) increased indicating the transition to winter bees. Low V. destructor infestation levels before and during the transition to winter bees resulted in an increase in lifespan of bees and ...Continue Reading

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Citations

May 16, 2014·Experimental & Applied Acarology·Gloria DeGrandi-HoffmanLloyd Schantz
Jul 7, 2015·Cell Reports·Guangda PengTatsuhiko Kadowaki
Dec 4, 2015·Proceedings. Biological Sciences·Lisa J BlankenCoby van Dooremalen
Mar 21, 2013·Pest Management Science·Gael CharpentierAngelique Vetillard
Feb 26, 2016·Experimental & Applied Acarology·Gloria DeGrandi-HoffmanEmily Watkins deJong
Mar 27, 2015·PLoS Pathogens·David A GalbraithChristina Grozinger
Jul 1, 2016·Proceedings. Biological Sciences·Dino P McMahonRobert J Paxton
Aug 19, 2020·Experimental & Applied Acarology·Gabrielle AlmecijaChristelle Suppo
Sep 30, 2020·Experimental & Applied Acarology·Sammy Kiprotich CheruiyotH Michael G Lattorff
Apr 11, 2018·PeerJ·Patrick Laurenz Kohl, Benjamin Rutschmann
Mar 28, 2019·Molecular Ecology·Benjamin H ConlonJarkko Routtu
Oct 31, 2020·Experimental & Applied Acarology·Gloria DeGrandi-HoffmanLilia de Guzman
Jan 3, 2021·Journal of Economic Entomology·Brandon K HopkinsWalter S Sheppard
Aug 7, 2021·The Science of the Total Environment·Noëmie El AgrebiClaude Saegerman
Nov 6, 2021·Pest Management Science·Gabrielle AlmecijaChristelle Suppo

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