Hi everyone, I picked up a customer last fall and did a full renovation including a topdressing of compost. One of their biggest issues is an "infestation" of Japanese Beetles in summer. They have a few fruit trees, blueberry bushes, and roses, all of which get devoured by the Jap. Beetles. Since I missed the window for treatment of the grubs last summer, what can I do organically this spring to try and knock them down. The snow just melted on their lawn late last week, so the ground is still quite cold and there is time to do a treatment before they become active.