What else can be done?
Management of outdoor food sources is very important. Some insects, such as the yellow jacket look for different types of food at different times of the year. In the spring, they require more protein for the new larvae and may be more attracted to other insects but also to meats and pet food. By late summer, they are more interested in high sugar foods such as fruit, candy, and pop (soft drinks).
▪ Empty and wash out garbage cans regularly. Fit garbage cans with a tight lid.
▪ If there will be a lot of people present during the day (such as at an amusement park, fair or sporting event), empty the cans or dumpsters in the morning.
▪ When the garbage will have "attractive" properties (such as pop cans, or candy wrappers), empty the garbage several times a day.
▪ Locate the food areas away from where crowds of people are.
▪ Clean the drink dispensing machines regularly.
▪ Screen-in food stations where possible.
▪ Locate trash cans away from the food dispensing windows and eating areas.
▪ Minimize the time where the food is available by keeping it tightly covered. Clear away any scraps and dirty dishes right away.
▪ Serve sweet drinks in containers with lids and straws. Wasps will often crawl into pop cans and can be "drank" accidentally. Keep your thumb over the can opening if a container with a lid is not available.
▪ If there are fruit trees nearby, clean up any fallen fruit.
▪ Keep pet food inside the house.