All stages of the common bed bug from nymphs to adults can survive for up to five days in temperatures of fourteen degrees fahrenheit. Bed bug bites on legs. How To Identify The Most Common Bug Bites Bed Bug Bites Bed Bed bug bites appear as red itchy bumps on the skin usually on the arms or shoulders and are typically the first sign that you have be bugs. Bed bug bites on legs . Bed bug bites occur most commonly on exposed skin such as the upper body neck arms and shoulders. Bites on the torso or inside of thighs are not common outside of more advanced infestations. Bed bugs pierce human skin with elongated beaks through which they extract blood. This allows bed bugs to withdraw human blood for up to 10 minutes with each feeding. Use an over the counter pain reliever to relieve swelling and pain. If it is possible to keep a room unheated for a prolonged period of time it may kill the population. If your arm or leg is along one of these seams any bedbugs hiding wi...