What is the difference of Darlene and Rita catch by Sarah Ellis?

Please provide more context about what you are asking. "Darlene and Rita catch" could refer to many things:

* Characters from a book or story: Are you asking about characters named Darlene and Rita in a book by Sarah Ellis? If so, please tell me the name of the book.

* A specific event: Are you asking about a particular event involving Darlene and Rita, such as a specific catch in a game?

* Something else: Could you clarify what you mean by "Darlene and Rita catch"?

Once I know what you are asking about, I can help you understand the difference between Darlene and Rita.