Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application

Spiders are important population regulators of insect pests that spread human disease and damage crops. Nonlethal pesticide exposure is known to affect behavior of arthropods. For spiders such effects include the inability to repair their webs or capture prey. In this study, nonlethal exposure of Ma...

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Main Authors: Stefan N. Rhoades, Philip K. Stoddard
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/4/1360
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author Stefan N. Rhoades
Philip K. Stoddard
author_facet Stefan N. Rhoades
Philip K. Stoddard
author_sort Stefan N. Rhoades
collection DOAJ
description Spiders are important population regulators of insect pests that spread human disease and damage crops. Nonlethal pesticide exposure is known to affect behavior of arthropods. For spiders such effects include the inability to repair their webs or capture prey. In this study, nonlethal exposure of Mabel’s orchard spider (<i>Leucauge argyrobapta</i>) to the synthetic pyrethroid permethrin, via web application, interfered with web reconstruction and mosquito capture ability for 1–3 days. The timing of this loss-of-predator ecosystem function corresponds to the rapid population rebound of the yellow fever mosquito (<i>Aedes aegypti</i>) following insecticide application to control arbovirus epidemics. We suggest this temporal association is functional and propose that follow-up study be conducted to evaluate its significance.
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spelling doaj.art-b4c06a28ce2f411abd1ce6cd072985802023-12-03T12:11:26ZengMDPI AGApplied Sciences2076-34172021-02-01114136010.3390/app11041360Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray ApplicationStefan N. Rhoades0Philip K. Stoddard1Institute of Environment, Department of Biological Sciences, Florida International University, 11200 SW 8th St., Miami, FL 33199, USAInstitute of Environment, Department of Biological Sciences, Florida International University, 11200 SW 8th St., Miami, FL 33199, USASpiders are important population regulators of insect pests that spread human disease and damage crops. Nonlethal pesticide exposure is known to affect behavior of arthropods. For spiders such effects include the inability to repair their webs or capture prey. In this study, nonlethal exposure of Mabel’s orchard spider (<i>Leucauge argyrobapta</i>) to the synthetic pyrethroid permethrin, via web application, interfered with web reconstruction and mosquito capture ability for 1–3 days. The timing of this loss-of-predator ecosystem function corresponds to the rapid population rebound of the yellow fever mosquito (<i>Aedes aegypti</i>) following insecticide application to control arbovirus epidemics. We suggest this temporal association is functional and propose that follow-up study be conducted to evaluate its significance.https://www.mdpi.com/2076-3417/11/4/1360<i>Aedes aegypti</i><i>Leucauge argyrobapta</i>nontarget effectspermethrinpyrethroidTetragnathidae
spellingShingle Stefan N. Rhoades
Philip K. Stoddard
Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application
Applied Sciences
<i>Aedes aegypti</i>
<i>Leucauge argyrobapta</i>
nontarget effects
permethrin
pyrethroid
Tetragnathidae
title Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application
title_full Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application
title_fullStr Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application
title_full_unstemmed Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application
title_short Nonlethal Effects of Pesticides on Web-Building Spiders Might Account for Rapid Mosquito Population Rebound after Spray Application
title_sort nonlethal effects of pesticides on web building spiders might account for rapid mosquito population rebound after spray application
topic <i>Aedes aegypti</i>
<i>Leucauge argyrobapta</i>
nontarget effects
permethrin
pyrethroid
Tetragnathidae
url https://www.mdpi.com/2076-3417/11/4/1360
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