Can Black Light Detect Bed Bugs

Detecting bed bugs can be difficult as they are small in size and able to hide in tiny cracks and crevices.

Can black light detect bed bugs.

The basic principle that uv lights follow is that they emit ultraviolet light. Uv light makes bed bugs more visible. But do not take that as a recommendation. They can however help you to determine the presence of bedbug excrement which contains human blood.

No black light systems don t help you to spot the bugs themselves. Phosphors in many insects shells absorb ultraviolet light and give off visible light. The main reason is heat generation. A bed bug uv light would require a long time of shining on the bugs to generate enough heat to eliminate them.

Live bed bugs leave clusters of dark brown or black spots of dried excrement on infested surfaces. The ultraviolet spectrum is invisible to the human eye so even though it looks purple the light itself is actually invisible. In large numbers these dark red pin point sized dots can be seen with the naked eye. Bed bugs are visible to the naked human eye however you can only spot the adults with basic vision as the nymphs have a clear appearance which helps them to go unnoticed.

A bed bug uv detection light is a perfect tool to comb every area in your residence to find bed bugs. Finding bed bugs in a dark room is a difficult task but uv light can make it easier to see them. All of us know that bed bugs are keen on darkness and eager to avoid light at all costs but there is no evidence that light can kill the bed bugs.