Gemma L. Baron, Nigel E. Raine and Mark J. F. Brown Impact of chronic exposure to a pyrethroid pesticide on bumblebees and interactions with a trypanosome parasite Journal of Applied Ecology 51
Chronic exposure to λ-cyhalothrin has a significant impact on worker size, a key aspect of bumblebee colony function, particularly under conditions of limited food resources. This could indicate that under times of resource limitation, colonies exposed to this pesticide in the field may fail. However, the lack of other impacts found in this study indicate that further field trials are needed to elucidate this.
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