Mosquito killer tube is classified as UVA ultraviolet light. They have a low energy level and slightly longer wavelengths in the spectrum. Industrial inspection and testing analysis, bank currency detector, mineralogy, criminology, food production, capture insects, etc. The most common applications for basic blacklight tubes are as follows: Bug zappers - work by attracting bugs and killing them with electricity. Polymerization - the chemical process by which molecules are joined together. Tanning Beds - UVA light tubes are safer to use due to their low power.