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ATEX and IEC Ex Flame-proof Explosion Proof Lighting & Equipment
Explosion Proof Lights
Explosion Proof Motors - Motors for Hazardous Locations
Industrial and Vaporproof Emergency Failsafe Lighting
Industrial Cord Reels and Tool Taps
Industrial Work Area Heaters
Machine Vision Lights
Megatower™
QC Series Industrial Portable Lighting - Quick Change Mount
Rig Lights
Stadium lights
String Lights and Temporary Light Stringers
Tank Cleaning Lights
Three Phase Motor Soft Starters
Vapor Proof LED Lights
Variable Frequency Drives (VFDs)
Vehicle Mounting Plates
Workboat Light Fixtures & Lighting Equipment
Yacht Engine Room Lights
Color Changing LED RGB Lighting
Explosion Proof Cord Reels
GOLIGHT Spotlights
Larson FUTURE - Lease Lighting
Remote Area Lighting and Scene Lights
Utility Bucket Mount, Receiver Hitch & Trailer Mount Lighting
Aevum Control Lighting and Equipment - IIoT
Butane and Solvent Extraction Room Lighting and Equipment
DC to DC Transformers and Power Supplies
Explosion Proof Fans & Blowers
Explosion Proof Paint Spray Booth Approved Lights
Explosion Proof String Lights
Explosion Proof Switchgear & Controls
Fleet Service Lights and Lighting Equipment
Industrial Equipment Trailers
Industrial Handlamps & Droplights
ISO 14644/FS-209E Clean Room Lighting
LED Blasting Lights
Night Time Fishing Lights
Portable AC Power Supply Units
Portable Power Distribution Panels
Power Distribution Panels with KVA Transformers
Self-Contained Lighting
Service Pit Lighting
Solar Generators & Solar Powered Lighting
Agricultural Farm Equipment Lighting & Beacons
Explosion Proof Cameras & Surveillance Systems
Explosion Proof Emergency Lights
Explosion Proof Heaters
Garage & Gas Station Canopy Lights
LED Grow Lights
LED Lights
NDT Ultraviolet Lights
Portable Hazardous Location Lighting
Radio Communication Towers and Equipment
Salt Water Processing Equipment
Shelter & Tent Lighting
Thermal Monitoring Cameras and Systems
48V LED Equipment Lights
ATEX Rated Explosion Proof Lights
Automotive Lighting
Class Rated Signals, Alarms, and Systems
Hazardous Location Area Lights and Portable Lighting
HID Equipment Lights
Hot Work Permit Lighting and Equipment
Hunting Lights
Industrial lasers
Industrial Transformers
Light Towers
Outdoor Lighting
Remote Security and Surveillance Systems
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Vehicle Mounted Spotlights
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Phase Converters - Single to Three Phase
Marine Shore Power Cords and Equipment
24 Volt Military Lights
Disaster Relief / First Responders / Search & Rescue Lighting
Plastic Handcuff Key
110/120 Volt Flood Lights
Post Mount Spotlights
Magnetic Work Lights
Crank-up Light Masts
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Intrinsically Safe Lights
Military Flashlights
LED Waterproof Lanterns
Work Area Lights
12 Volt Flood Lights
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Boat Spotlights
New Boat Lights
HID Boat Lights
Boat Dock Lights
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Remote Control Lights
Control Lights
Tow Lights
Magnetic Control Lights
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NEW Lights and New Products
Evaporative Coolers
Police Equipment
AC/DC Transformers
Power Supplies
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Military Spotlights 24V
Infrared Filters, Covert Covers, and Blackout IR Lenses
Military Equipment
Ultralife Batteries
Remote Control Pan Tilt Base
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Larson Electronics Spotlights
Larson Electronics Parts
Replacement Lamps
Cords - Brackets
Portable Wheeled Generators
Non-Hazardous Location Extension Cords / Plugs / Outlets
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HID Work Lights
HID Dive Lights
HID Off Road Lights
Acro Lights HID Lights
Halogen Lights
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Acro Light Flashlight
Xenon HID Flashlights
Powerlight Flashlight
HID Flashlights
Xenon Flashlights
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LED Status Lights
Forklift Lights
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HID Post Mount Lights
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Flashlight Holder
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Tripods-Magnetic Base
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Recharging Spotlights
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Headlights - Headlamps - Hard Hat Lights
Flashlights
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Suction Mount Lights
Magnetic Spotlights
12/24 Volt Spotlights
Gifts For Men
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New 12 / 24 Volt Lights
Explosion Proof Accessories and Replacement Parts
Explosion Proof Lighting
Explosion Proof Hand Lamps (Drop Lights)
Explosion Proof Lights - Stand/Dolly
Explosion Proof Tank Lights
Explosion Proof Phones and Intercoms
Explosion Proof Extension Cords
Black Friday & Cyber Monday Specials
Crane Lights
Explosion Proof Light Rentals
General Light Rentals
Light Tower and Light Plant Rentals
Power Distribution Rentals
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Power Plant Lighting
Refinery lights
Environmental Services Lights
Aerospace Lights
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Food Grade Safe Lights
Film and Entertainment Lights
Handheld Meters and Devices
Waste Water Treatment Lights
Mining Lights
Ship Yard Lights
Work Site Lighting
         

   
01/16/17 Color Temperatures of LED Light that Attract Bugs

Article - January 16, 2016 By LarsonElectronics.com

Colored gel lenses

Color Temperatures of LED Light that Attract Bugs

Previously, it was believed that LEDs do not attract bugs during nighttime operations. But now, new sources suggest that insects are drawn to LEDs, with emphasis on specific wavelengths and color temperatures.

“Insects are mostly attracted to UV light and blue light. They cannot really see red light. Warmth plays a minor, if any, role. So, insect attraction will depend on the wavelength of the LED light used by the homeowners,” explained Andrei Alyokhin, an entomology professor at the University of Maine.


UV Output and Wavelengths

Bugs are heavily attracted to UV light. The creatures can see light in the 300-650 nm range, but are especially drawn to wavelengths ranging between 300-420 nm. By comparison, humans can perceive light in the electromagnetic spectrum between 400-800 nm, which does not include UV light at 350 nm. This is why most bug trappers that use light to attract insects rely on UV or black light bulbs. It is crucial to note that high light output and cool Kelvin temperature ratings increases the chances of attracting bugs.

Bugs mostly perceive the following colors of light: UV, blue and green. They are drawn to bright white and bluish lights, such as white fluorescent and mercury vapor lamps. Yellow and warm white lights closely resemble sunlight and are not attractive to insects. This is because bugs that are active at night use the moon as a point of reference. Any visible light between the moon and the tiny animals, including artificial light from a lamp, serves as a distraction, and forces them to gather around the area.

A 2005 study from the University of Agriculture in Faisalabad, Pakistan, solidified the industry’s theories surrounding this issue. Researchers collected insects and trapped them in illuminated screen containers, measuring one square meter in two separate locations at six meters apart. The bugs were trapped for 30 minutes and exposed to a wide range of lights that emitted different wavelengths. The results of the study showed that between 60-70 percent of the animals preferred blue lights. Roughly 18 percent gathered around white lights, and eight to 10 percent felt comfortable with yellow lights. Only two percent stuck with red lights.


LEDs and Bugs

LEDs emit a broad range of wavelengths, between 350-700 nm, depending on the specifications of the fixture. During light output, the units utilize a combination of colors, instead of directly producing white light. For example, some LEDs that emit cool white produce bluish tones, which insects find very attractive. These types of LEDs are known to entice bugs, but only in small numbers. LEDs that are manufactured to produce UV light, including mosquito trappers, fixtures for plant cultivation, paint spray booth lights and curating lamps in dental facilities, are also notably efficient in luring bugs.

When it comes to mainstream lighting, insects are attracted to UV LED spotlights and neutral colored LEDs. In residential settings, most LEDs emit very little UV light; and as a result, only attract small groups of insects. To prevent bugs from flying around light in your home, it is recommended to choose LEDs that display warm white, or yellowish light tones with low Kelvin temperature ratings.

In addition to the light’s wavelength, insects are also drawn to heat generated by the fixtures. LEDs, with their superior heat management properties, are better choices in this aspect of attracting bugs, compared to incandescent and halogen variants that produce light using hot filaments.





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