"Most people think that insects are very similar and behave in the same ways," says Enikő Gyuris, a biologist at the University of Debrecen in Hungary, but she has found differently. In her studies of fire bugs, Gyuris uses a battery of behavioral tests to measure three distinct personality traits: boldness, activity, and "explorativeness." In a recent study, she put each bug into an open vial and then placed it at the center of a two-foot-wide circular arena. The boldest bugs emerged quickly, while the timid ones hid for 10 minutes. Once the bugs left the vial, their tendency to move in different directions and investigate new objects served as an index of their explorativeness. "Our results show that there are personality differences between the individuals of the fire bug," Gyuris wrote, "as we found that they behave consistently over time."