Subject: Looks to be a Red-footed Cannibalfly
Location: Franklin, TN (Nashville area)
August 11, 2014 1:32 pm
We’re looking for a confirmation on this being a robber fly. Your site was soo helpful in both researching what we saw out our front door and learning more about the bug in question.
This guy was about 3 cm in length and “snacking” on a wasp.
Our 3 and 5 yr old were fighting for the best position to watch this guy through a window. Question – how bad would a bite from this guy be to a small kid? And, is it okay to hang out around them as they protect our air space?
We agree that this is a Red Footed Cannibalfly, and it appears to be eating a Paper Wasp in the genus Polistes (See BugGuide). We believe a bite from a Red Footed Cannibalfly would be painful, but otherwise present no lasting effects, however we should qualify that that we believe the chances of being bitten are at about 0% unless a person decided to try to catch a Red Footed Cannibalfly by hand. They are not aggressive towards humans, and if provoked, they would most likely just fly off. Handling them is a totally different matter.