So I really think of this as a bee... I guess because when all the bees come to my flowers, this is the only one 'wasp' that shows up. I have many flowers that bloom at different times throughout the year. The Rudbekia is the only one that attracts this wasp. Rudbekia also attracts a lot of honey bees. By the way, this wasp is very aware. It is the first to notice me coming... will buzz me in warning and then will fly off to another yard if I don't leave... not an easy one to photograph.