Cucumber beetles are a problem whenever you grow cucumbers or other cucurbit plants. They kill and damage seedlings and older plants and fruit, and they cause disease. This lure lasts 4 weeks and is effective for Striped, Western striped, Spotted and Western spotted cucumber beetles. Use one trap per 2000 sq. ft. to monitor cucumber beetles or one trap per 200 sq. ft. to trap them. Two lures and two yellow sticky traps per package.