Subject: bee fly
Geographic location of the bug: San Diego, California
Time: 03:56 PM EDT
Size of a medium bumblebee. There were a dozen working the flowers in the photo.
How you want your letter signed: Gerald Friesen
This is not a Bee Fly. It is a Mexican Cactus Fly, a species of Flower Fly or Hover Fly in the family Syrphidae. According to BugGuide: “Larvae feed on rotting cactus.”