Spotting a dark, flat-bodied insect scurrying across your kitchen floor at night is enough to send most people into a panic.

If, as a child, I knew what I know now about water bugs, I would have treated them with more respect. These large insects populated a nearby creek my friends and I frequented. While we never tried to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Most of us aren't experts at bug identification—especially because most common house insects look alike.