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2015 ; 5
(ä): 14621
Nephropedia Template TP
Williams GR
; Troxler A
; Retschnig G
; Roth K
; Yañez O
; Shutler D
; Neumann P
; Gauthier L
Sci Rep
2015[Oct]; 5
(ä): 14621
PMID26459072
show ga
Queen health is crucial to colony survival of social bees. Recently, queen
failure has been proposed to be a major driver of managed honey bee colony
losses, yet few data exist concerning effects of environmental stressors on
queens. Here we demonstrate for the first time that exposure to field-realistic
concentrations of neonicotinoid pesticides during development can severely affect
queens of western honey bees (Apis mellifera). In pesticide-exposed queens,
reproductive anatomy (ovaries) and physiology (spermathecal-stored sperm quality
and quantity), rather than flight behaviour, were compromised and likely
corresponded to reduced queen success (alive and producing worker offspring).
This study highlights the detriments of neonicotinoids to queens of
environmentally and economically important social bees, and further strengthens
the need for stringent risk assessments to safeguard biodiversity and ecosystem
services that are vulnerable to these substances.