I've never seen many insects on my Jerusalem artichokes before but this year they seem to be plentiful. Are they pests? They do seem to be having a good time and there doesn't seem to be any leaf damage though those black spots look like insect feces.

enter link description here enter link description here

My guess is that they're probably some type of leafhopper.

  • This second picture is XXX. I am in a huge snit. "They seem to be having a good time"...they certainly do not look like they are harming your plants at all at the moment...I gotta pull it together. Graham...major grins! – stormy Dec 30 '17 at 9:35
  • The first picture is definitely a leaf hopper. Which one exactly is beyond me at the moment. – stormy Dec 30 '17 at 9:52

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.