Remove or change turbine lighting to reduce insect attraction
Overall effectiveness category No evidence found (no assessment)
Number of studies: 0
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Background information and definitions
Wind turbines, like other large structures, are illuminated at night to alert aircraft to their presence. However, lighting attracts nocturnal moths, reducing their ability to forage as well as causing direct mortality (van Langevelde et al. 2017). The colour or type of lighting used also affects how attractive lights are to moths, with shorter wavelength light (ultraviolet, blue and green) being more attractive than longer wavelengths (red and yellow; van Langevelde et al. 2011). Removing or changing the lighting used on turbines may therefore reduce their impact on moth populations.
For studies on reducing light pollution generally, see “Threat: Pollution”.
van Langevelde F., Ettema J., Donners M., WallisDeVries M.F., Groenendijk D. (2011) Effect of spectral composition of artificial light on the attraction of moths. Biological Conservation, 144, 2274–2281.
van Langevelde F., van Grunsven R.H.A., Veenendaal E.M., Fijen T.P.M. (2017) Artificial night lighting inhibits feeding in moths. Biology Letters, 13, 20160874.
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This Action forms part of the Action Synopsis:Butterfly and Moth Conservation
Butterfly and Moth Conservation - Published 2022
Butterfly and Moth Synopsis