Subject: egg or pupa on milkweed
Geographic location of the bug: Azle, Tx
Time: 12:43 PM EDT
Your letter to the bugman: I found several of these on my milkweed which was also infested with aphids. Please help me identify this creature.
How you want your letter signed: Joanne
This is the pupa of a beneficial Hover Fly or Flower Fly in the family Syrphidae, and while in the larval stage, they feed voraciously on Aphids. Adult Hover Flies are also excellent pollinators that mimic stinging wasps and bees, though they are perfectly harmless to humans. We located a matching image on BugGuide, and there is also a small image at the bottom of the Bugs and Critters in my Florida Back Yard blog.
Thank you! Do you know if Hover Flies are harmful to Monarch caterpillars?
Hi aganin Joanne. They are not harmful to Monarch caterpillars.