For those who want to know more:
1. This is a female carpenter bee visiting a datura flower. Datura flowers are open at night, so the carpenter bee has only a short time in the early morning to use this resource.
2. She dives to the bottom of the flower to drink nectar.
3. Then she wraps herself around the anthers, or male parts of the flower. She buzzes loudly. The vibrations cause the pollen to release and it powders her hairy body.
4. On to the next flower...