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Fig. 3 | Zoological Letters

Fig. 3

From: Management of flying insects on expressways through an academic-industrial collaboration: evaluation of the effect of light wavelengths and meteorological factors on insect attraction

Fig. 3

Configurations of light traps used in the field experiments. a “Light tower” trap used in 2014 and 2015. See Additional file 2 for details. b Flight-interception LED traps used in 2017 and 2018. See additional file 3 for details. Six flight-interception LED traps that emitted light with different light wavelengths (d) were set on a hill on flat ground beneath an elevated expressway (c). The intensity of total illumination for each LED module was adjusted to approximately 1500 lm (d)

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