We have a product here that you can use and get at nurseries. It is called "Tanglefoot". It comes in a small container, similar in size to the 125ml sour cream.
The Yellow attracts many insects.
Rick
"Many times a day I realize how much my own outer and inner life is built upon the labors of my fellow men, both living and dead, and how earnestly I must exert myself in order to give in return as much as I received"