Experimentally comparing the attractiveness of domestic lights to insects: Do LEDs attract fewer insects than conventional light types?

Andy Wakefield, Moth E J Broyles, Emma Stone, Gareth Jones, Stephen Harris

Research output: Contribution to journalArticle (Academic Journal)peer-review

19 Citations (Scopus)
366 Downloads (Pure)

Abstract

LED lighting is predicted to consttute 70% of the outdoor and residential lighting markets by 2020. While the use of LEDs promotes energy and cost savings relative to traditional lighting technologies, little is known about the effects these broad-spectrum “white” lights will have on wildlife, human health, animal welfare, and disease transmission. We conducted feld experiments to compare the relative attracveness of four commercially available “domestic” lights, one traditional (tungsten filament) and three modern (compact fluorescent, “cool-white” LED and “warm-white” LED), to aerial insects, particularly Diptera. We found that LEDs attracted significantly fewer insects than other light sources, but found no significant difference in attraction between the “cool-” and “warm-white” LEDs. Fewer flies were attracted to LEDs than alternate light sources, including fewer Culicoides midges (Diptera: Ceratopogonidae). Use of LEDs has the potential to mitigate disturbances to wildlife and occurrences of insect-borne diseases relative to competing lighting technologies. However, we discuss the risks associated with broad-spectrum lighting and net increases in lighting resulting from reduced costs of LED technology.
Original languageEnglish
Pages (from-to)8028-8036
Number of pages9
JournalEcology and Evolution
Volume6
Issue number22
Early online date13 Oct 2016
DOIs
Publication statusPublished - Nov 2016

Keywords

  • broad-spectrum lighting
  • Ceratopogonidae
  • color temperature
  • compact fluorescent lights
  • Culicoides
  • disease
  • filament
  • light-emitting diode
  • vector

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