These highly effective traps include all the key features required for luring and trapping destructive adult Japanese beetles. The beetles can't fly or chew their way out of the large capacity expandable container. Trap stays vertical and slots permit drainage to eliminate odors. Includes both sex and floral lures for attracting both male and female beetles. Replace lures every 6 weeks. Containers are easily removed for emptying. Set traps out in June and leave until fall. Reusable.