1921
image of Artificial Light at Night Increases Aedes aegypti Mosquito Biting Behavior with Implications for Arboviral Disease Transmission
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

mosquito is a major vector of arboviral disease. Here, we report that the biting behavior of normally daytime active anthropophilic . mosquitoes on human hosts is abnormally increased at night following exposure to artificial light at night (ALAN). Biting was examined using a human host assay where caged mosquitoes were exposed to a human arm and blood-feeding measured. Mosquitoes were tested during the daytime, nighttime, or challenged with ALAN. As predicted from the biting cycle, maximal biting occurred during daytime and lowest level occurred at night. Biting in the ALAN group was increased compared with time-matched nighttime controls. These data reveal that exposure to ALAN increases nocturnal blood-feeding behavior. This finding highlights the concern that globally increasing levels of light pollution could be impacting arboviral disease transmission, such as dengue fever and Zika, and has implications for application of countermeasures for mosquito vector control.

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/content/journals/10.4269/ajtmh.20-0885
2020-10-15
2020-11-26
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.20-0885
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  • Received : 20 Jul 2020
  • Accepted : 12 Sep 2020
  • Published online : 15 Oct 2020
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