a closeup image of a bedbug resting on its hosts mattress

bed bug insect arthropod pest crawling infestation residential bedroom mattress bedding furniture household critter annoying nocturnal small flat ovalshaped brownish bloodsucker human parasite hidden difficult spot elusive microscopic exoskeleton segmented body six legs pincers antennae thorax abdomen mandibles wingless eggs eggshells hatching life cycle treatment prevention eradication signs itchy welts bites rash