MADISON (Press Release) – Treatment is done. Traps are down. Another year fighting and monitoring the invasive gypsy moth in Wisconsin has ended.
During the summer, trappers set approximately 25,000 gypsy moth traps in western and central Wisconsin. Trapping for gypsy moth is a way to monitor the location, spread and population of the insect. Trapping data collected in the fall shows population trends and is used to plan for next year's treatment areas.
While moth populations vary from place to place, in general, there were increases in moth populations in the northern and central areas of the state and decreases in the southern area of the state this year. A total of 233,990 male gypsy moths were caug