Guess the Pest! Week 22 Answer: Bacterial Spot

David Owens, Extension Entomologist,

I apologize for not putting the photo of last week’s pest picture on the google form. This one was tricky, and caused me to scratch my head for a bit because I wanted to call it worm damage (being from a worm trial and all) but worms tend to cause very regular round holes in fruit or, in the case of hornworm, large etching around the shoulder. Fortunately, Gordon was around to put me straight. The tomato damage was caused by bacterial spot, and it has been particularly bad recently. Dr. Jerry Brust wrote about bacterial spot in an earlier edition of the WCU this year: