This is the reason you mark your queens.

I collected a swarm in my yard. I knew that I had to be mine.

Look what I found

I fee that it is very important that you mark you queens. It helps you with lots of things.

It is easy to spot her when you are working a hive. It also helps with her age. If you know that she is marked and you don't see her, you know that they may have swarmed or have been superseded.

The original swarm