These bugs are extremely sensitive to heat in every stage of their life. Thermal death point of a common bed bug is just 111°F to 113°F. Many times even temperatures that are lower than this, 97°F to 99° F can kill multitudes. If the temperature is raised to 140° F for about an hour or to 120°F for several hours most infestations will be eradicated.
The size of bed bug bites varies with a number of different factors. Bed bugs inject an anti-coagulant along with their saliva when they pierce the skin to take a blood meal. This anti-coagulant is mostly responsible for how a person reacts to the bite and determines the size of the bug’s bite. Since people will have various sensitivities to the bed bug’s bite, the size of the bite will vary, as well. Another factor that influences the size of a bed bug reaction is the number of times a person is bitten. Bite reactions of people bitten many times are also variable, and their response may be either more or less intense as the number of bites increases.
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