When is a good time to treat for elm leaf beetle?
The optimal time to spray for elm beetle to stop the leaves from looking lacy is when the temperatures reach 90 degrees F or more. (Usually no earlier than July). The elm beetle will not lay their eggs until this time. The larvae hatching & feeding on the leaves is what gives the leaves a lacy appearance. It is also important to spray not just the tree, but the entire yard for elm beetle. During the winter months, the elm beetle seek shelter & hibernate in the siding and attic areas of your home They can become quite a nuisance pest and invade your home as the days become warmer! Immediate action should be taken to control them! Elm Beetle can also be treated with the systemic insect control.