A simple method for detecting the presence of mite is to put a small amount of dust on the surface of water and examine it under 20X magnification. Live and dead mites will remain on the surface of the water. Shamiyeh et al . The dust was teased apart and subjected to ultrasonic treatment for 20 minutes. The suspension was rinsed through a 45 micron mesh sieve, stained with crystal violet and examined under a stereo microscope.
Paper is examined in the mornings and evenings by holding the paper over a lamp.
The mites cast a shadow. Controls Reduce the humidity below 70 per cent. Thoroughly vacuum mattresses, carpets, sofas, and chairs. Very sensitive individuals should encase their mattresses in plastic. Use drapes that can be washed and change bed clothing frequently.