Definition of light trap in US English:

light trap


  • 1An illuminated trap for attracting and catching nocturnal animals, especially moths and other flying insects.

    • ‘The emerging corn borer moths are recaptured in black light traps placed at varying distances around the release sites.’
    • ‘But you can put flea control on autopilot while you're away with a simple light trap.’
    • ‘European corn borer flight is building, but cool weather has kept light trap numbers low.’
    • ‘Sampling was by mercury vapor light trap and took place throughout the flying season where possible, but sometimes for shorter periods.’
    • ‘Using butterfly nets and light traps, he explained he had found and bred the majority of his collection, which includes moths, butterflies, beetles and flies.’
  • 2Photography
    A device for excluding light from a darkroom without preventing entry into it.