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25 June 2019 Are Non-Target Honey Bees (Hymenoptera: Apidae) Exposed to Dinotefuran From Spotted Lanternfly (Hemiptera: Fulgoridae) Trap Trees?
Robyn Underwood, Brian Breeman, Joseph Benton, Jason Bielski, Julie Palkendo, Thomas Betts
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Abstract

The spotted lanternfly, Lycorma delicatula (White), is an introduced plant hopper that causes significant damage to host plants in the United States. Because of its affinity for tree of heaven, Ailanthus altissima (Mill.) (Sapindales: Simaroubaceae), control efforts have focused on the use of the systemic insecticide, dinotefuran, in designated trap trees. There is concern about exposure to this pesticide by non-target species, especially honey bees, Apis mellifera L., via lanternfly honeydew. Therefore, honey bee colonies were established in areas of high densities of trap trees and samples of honey, bees, and beeswax were collected in May, July, and October of 2017 for analysis. Samples were extracted by the QuEChERS method and analyzed using high-performance liquid chromatography with tandem mass spectrometry to determine the presence and quantity of dinotefuran. Additionally, honeydew from lanternflies was analyzed for dinotefuran and informal observations of trap tree visitors were made. None of the worker bee, wax, or honey samples indicated detectable levels of dinotefuran; however, honeydew samples collected did contain dinotefuran above the detection limit with amounts ranging from 3 to 100 ng per sample. The lack of dinotefuran in honey bee products matches the general absence of honey bees at trap trees in informal observations.

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Robyn Underwood, Brian Breeman, Joseph Benton, Jason Bielski, Julie Palkendo, and Thomas Betts "Are Non-Target Honey Bees (Hymenoptera: Apidae) Exposed to Dinotefuran From Spotted Lanternfly (Hemiptera: Fulgoridae) Trap Trees?," Journal of Economic Entomology 112(6), 2993-2996, (25 June 2019). https://doi.org/10.1093/jee/toz176
Received: 27 January 2019; Accepted: 28 May 2019; Published: 25 June 2019
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KEYWORDS
dinotefuran
neonicotinoid
non-target effect
systemic pesticide
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