The document provides information about bed bugs, including: - Bed bugs are true bugs in the order Hemiptera that feed on animal blood through a piercing proboscis. - They likely originated from bugs that fed on bats in caves and adapted to feeding on humans. - Various historical methods were used to control bed bugs, including pesticides, boiling water, and fumigation. - Bed bugs were essentially eradicated in the 1940s-50s due to DDT but have resurged in recent decades, possibly due to increased travel and resistance to pesticides.