The following questions were answered by entomologists Steve Kutcher and John VanDyk. The drones are designed only to mate with the queen, and the queen has fully developed ovaries instead of a sting.
Chitin can be hard or soft and flexible.
Bees use up a lot of energy flying around. It's kind of like someone offering you a big drink of cool water after you've been running around outside and are really thirsty. The first permanent colony in the U.S. was found in Texas in 1990. They are now established in southern portions of New Mexico, Arizona, and California. We do know that their northward movement has slowed dramatically.