These Saguaro blossoms don't last long. The opened one is one of three at that time; I saw the first one in the morning and thought, "I'll come out tomorrow and take a picture", but the next day it was collapsed and the second was opening. A day later it was gone, and the third one was open. That is the open "old" photo.

Note the three flying bugs and the grasshopper knee and antenna sticking out from behind.