Banish bed bugs by focusing on areas including the mattress, box spring, the bed frame. What exactly are you looking for? “Reddish brown spots as well as the eggs and newly hatched nymphs. They are very small, they’re going to be very pale or light in color, but normally what people will see is the full-grown bed bug which is about the same size, appearance and color as an apple seed,” explains Terminix entomologist Tom Jeffords. Here, more tips on staying bedbug-free.