The W·H·Y Trap can be used three seasons long in most climates.
Set the W·H·Y Trap out early to catch the wasp, hornet and yellowjacket queens before they build nests. For general guidelines on the timing when the queens emerge, search for your state below.
March/April: Alabama, Arizona, Arkansas, California, Florida, Georgia, Louisiana, New Mexico, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas
April: Colorado, Connecticut, Delaware, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Missouri, Nebraska, Nevada, New Jersey, Ohio, Oregon, Pennsylvania, Rhode Island, Utah, Virginia, Washington, West Virginia
April/May: Maine, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, South Dakota, Vermont, Wisconsin, Wyoming
Use the W·H·Y Trap to capture foraging workers when they're most likely to sting.