light trap
noun
1
: a device that allows movement of a sliding part or passage of a person (as into a darkroom) but excludes light
2
: a device for collecting or destroying insects that consists of a bright light in association with a trapping or killing medium
Examples of light trap in a Sentence
Recent Examples on the Web
Gilbert adds that insect light traps can also help with flies, but they should be placed farther away from the porch.
—
Maria Sabella,
The Spruce,
23 June 2026
Sticky light traps will also work well indoors.
—
Emily Hayes,
Martha Stewart,
5 June 2026
Indoors, opt for light traps, sticky traps, and bug catchers that can capture those who have broken in.
—
Alora Bopray,
USA Today,
4 Apr. 2026
Charlotte Wright of the Wellcome Sanger Institute collects a moth at a light trap on an Alpine trail above Malles Venosta, Italy.
—
Glenn Zorpette,
IEEE Spectrum,
4 Nov. 2025
Build or buy a light trap with an LED, blue or UV light to attract the bugs.
—
Maia Pandey,
jsonline.com,
29 Oct. 2025
Ohio State University Extension offers a simple design for light traps online, which may be handy for those who could never hurt a bug.
—
Jalen Williams,
Freep.com,
27 Oct. 2025
Then, in February 2024, researchers revisited the Kerala region of India and set up a light trap, according to the study.
—
Irene Wright,
Miami Herald,
28 Mar. 2025
Alternatively, insect light traps or sticky traps can help capture and remove beetles.
—
Marie Woodward,
Hartford Courant,
9 Nov. 2024
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Maria Sabella,
The Spruce,
23 June 2026
Sticky light traps will also work well indoors.
—
Emily Hayes,
Martha Stewart,
5 June 2026
Indoors, opt for light traps, sticky traps, and bug catchers that can capture those who have broken in.
—
Alora Bopray,
USA Today,
4 Apr. 2026
Charlotte Wright of the Wellcome Sanger Institute collects a moth at a light trap on an Alpine trail above Malles Venosta, Italy.
—
Glenn Zorpette,
IEEE Spectrum,
4 Nov. 2025
Build or buy a light trap with an LED, blue or UV light to attract the bugs.
—
Maia Pandey,
jsonline.com,
29 Oct. 2025
Ohio State University Extension offers a simple design for light traps online, which may be handy for those who could never hurt a bug.
—
Jalen Williams,
Freep.com,
27 Oct. 2025
Then, in February 2024, researchers revisited the Kerala region of India and set up a light trap, according to the study.
—
Irene Wright,
Miami Herald,
28 Mar. 2025
Alternatively, insect light traps or sticky traps can help capture and remove beetles.
—
Marie Woodward,
Hartford Courant,
9 Nov. 2024
Cite this Entry
“Light trap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20trap. Accessed 5 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
