While photographing this tree blossom I noticed this very big bug. It appeared to be chewing on the blossom. Many other insects and butterflies were also present, so the scent or taste must have been good. It was not cooperating and gave me the run around so the photos are not that good. Eventually it flew off with a very loud buzz of its wings. Not very aerodynamic.
This appears to be a wasp in the family Pompilidae (spider wasps); likely a Pepsis sp., which collectively are known as tarantula hawks - see http://insects.tamu.edu/images/insects/common/images/cd-43-c-txt/cimg333.html. They are not aggressive, but can deliver an extremely painful sting if mishandled.
A New Genus of Ageniellini From Central America (Hymenoptera: Pompilidae: Pepsinae) 1987(no photo)
A very interesting solitary wasp that kills spiders to lay their eggs and feed the young. Very few photos. Spider wasps can be found all over the USA and apparently now in Mexico and Central America.
Described as 3 cm long 1 1/4 inches but I am sure mine was probably nearer to 2 inches.
You did a good job tracing this.
