Mexican Cactus Fly

Subject:  bee fly
Geographic location of the bug:  San Diego, California
Date: 11/04/2017
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

Mexican Cactus Fly

Dear Gerald,
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.”

Mexican Cactus Fly

Leave a Comment