A volatilized pyrethroid insecticide from a mosquito repelling device does not impact honey bee foraging and recruitment

Author:

Couvillon Margaret J1ORCID,Ohlinger Bradley D1ORCID,Bizon Connor2,Johnson Lindsay E1ORCID,McHenry Laura C1,McMillan Benjamin E2ORCID,Schürch Roger1

Affiliation:

1. Department of Entomology , 170 Drillfield Dr., Blacksburg, VA 24061 , USA

2. Thermacell Repellents Inc. , 32 Crosby Dr., Suite #100, Bedford, MA 01730 , USA

Abstract

Abstract Because nontarget, beneficials, like insect pollinators, may be exposed unintentionally to insecticides, it is important to evaluate the impact of chemical controls on the behaviors performed by insect pollinators in field trials. Here we examine the impact of a portable mosquito repeller, which emits prallethrin, a pyrethroid insecticide, on honey bee foraging and recruitment using a blinded, randomized, paired, parallel group trial. We found no significant effect of the volatilized insecticide on foraging frequency (our primary outcome), waggle dance propensity, waggle dance frequency, and feeder persistency (our secondary outcomes), even though an additional deposition study confirmed that the treatment device was performing appropriately. These results may be useful to consumers that are interested in repelling mosquitos, but also concerned about potential consequences to beneficial insects, such as honey bees.

Publisher

Oxford University Press (OUP)

Subject

Insect Science,General Medicine

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