How big is a bed bug?

Adult Bed Bugs are 5-7mm and 1-4mm during nymph stages. Adult bedbugs have been known to survive with out feeding for around 8 months to over 1 year. Each female lays about 4-7 eggs per day. The eggs hatch between 9-15 days. The life cycle from an egg to an adult takes between 32-48 days, undergoing 5 molts with proper feeding and warmer temp.