Preliminary studies on the occurrence of honeybee pathogens in the national bumblebee population
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TLDR
In this study, a few insects with the bumblebee population present in country was checked for the presence of Nosema apis, Nosema bombi and Nosema ceranae microsporidia, ABPV, the chronic bee paralysis virus (CBPV) and DWV.Abstract:
Dangerous pathogens that affect honeybees, including microsporidia of the genus Nosema, the acute bee paralysis virus (ABPV) and the deformed wing virus (DWV), also contribute to the global decline in bumblebee populations. In this study, a few insects with the bumblebee population present in country was checked for the presence of Nosema apis, Nosema bombi and Nosema ceranae microsporidia, ABPV, the chronic bee paralysis virus (CBPV) and DWV. Thirteen adult bumblebees (Bombus) representing 4 species were analyzed: Bombus lapidarius (2 workers, 2 males), Bombus lucorum (1 worker), Bombus pascuorum (5 workers, 1 male) and Bombus terrestris (2 workers). These specimens were found dead in two urban botanical gardens and four landscape parks in Lower Silesia. Microsporidia of the genus Nosema and CBPV were not detected in any of the examined samples. ABPV was identified in 2 insects of B. pascuorum and B. terrestris (2 workers). The presence of DWV was detected in 12 bumblebees (10 workers, 2 males).read more
Citations
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The Pathogens Spillover and Incidence Correlation in Bumblebees and Honeybees in Slovenia.
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Effects of Planted Pollinator Habitat On Bee Health And Interspecific Pathogen Detection
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TL;DR: It is shown that the relative abundances of four species have declined by up to 96% and that their surveyed geographic ranges have contracted by 23–87%, some within the last 20 y, although cause and effect remain uncertain.
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