[header] How to kill household bugs [title] Locate the insect. [step] Some bugs stay out in the open and are easy to find. Others, like cockroaches, are nocturnal and prefer dark and enclosed areas. 
If you know what type of bug you are trying to eliminate, research it to find out where it may be living in your house. A good place to start your search is in the kitchen, as many bugs are attracted to the smell of food.