Pennsylvania Game Commission - WHAT IS THAT BUMP? These bumps are warbles which are often found on squirrels harvested early in the fall. Warbles are caused by bot flies that bury underneath
Wildlife Resources Division - Georgia DNR - Got Bumpy Squirrels? It Could Be Bot Flies! | Facebook | By Wildlife Resources Division - Georgia DNR | Got bumpy squirrels? It could be bot flies!
![Closeup of a Eastern Gray Squirrel with Three Large Bot Fly Warbles on it`s Shoulder Stock Image - Image of insect, gray: 157828365 Closeup of a Eastern Gray Squirrel with Three Large Bot Fly Warbles on it`s Shoulder Stock Image - Image of insect, gray: 157828365](https://thumbs.dreamstime.com/z/closeup-eastern-gray-squirrel-three-large-bot-fly-warbles-s-shoulder-157828365.jpg)