Sometimes simpler is better. This is one time when adding Cannabis or Marijuana to the search box would probably have been too specific.
Sometimes when I am looking for info I try to make the key word string simple. My practice search was similar to what @Lady Cannafan used. The search was:
leafhopper control
and hundreds of links showed up.
Sometimes the easiest way if growing outside is to plant plenty of plants that will repel insects.
