publication . Part of book or chapter of book . Preprint . 2017

AN EPIDEMIOLOGICAL MODEL OF VIRAL INFECTIONS IN A VARROA-INFESTED BEE COLONY: THE CASE OF A BEE-DEPENDENT MITE POPULATION SIZE

Bernardi, Sara; Venturino, Ezio;
Open Access
  • Published: 10 Jul 2017
  • Publisher: WORLD SCIENTIFIC
Abstract
In recent years the spread of the ectoparasitic mite Varroa destructor has become the most serious threat to worldwide apiculture. In the model presented here we extend the bee population dynamics with mite viral epidemiology examined in an earlier paper by allowing a bee-dependent mite population size. The results of the analysis match field observations well and give a clear explanation of how Varroa affects the epidemiology of certain naturally occurring bee viruses, causing considerable damages to colonies. The model allows only four possible stable equilibria, using known field parameters. The first one contains only the thriving healthy bees. Here the dise...
Subjects
Medical Subject Headings: fungicomplex mixturesbehavior and behavior mechanisms
free text keywords: Quantitative Biology - Populations and Evolution, Mathematics - Dynamical Systems, 92D25, 92D30

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publication . Part of book or chapter of book . Preprint . 2017

AN EPIDEMIOLOGICAL MODEL OF VIRAL INFECTIONS IN A VARROA-INFESTED BEE COLONY: THE CASE OF A BEE-DEPENDENT MITE POPULATION SIZE

Bernardi, Sara; Venturino, Ezio;