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Identification & Biology
Trees Gypsy Moths Like
How Gypsy Moths Harm Trees
Where Gypsy Moths Are
Gypsy Moth Management
History of Gypsy Moths
Asian vs. European Gypsy Moth
History of Gypsy Moth in North America

1992 - Slow The Spread

Since then, many strategies have emerged for controlling the gypsy moth. One of the most important is the Slow The Spread Program, a program created in 1992 by the U.S. Department of Agriculture's Forest Service and Animal and Plant Health Inspection Service (APHIS), along with the Department of Interior's National Park Service and eight State and university partners. The program is designed to slow the overall spread of gypsy moths through intensive monitoring for new areas of infestation and by eradicating those infestations as they occur ahead of the gypsy moth's 'frontline'. Many states now offer cooperative spraying programs with the bacterium Bacillus thuringiensis var. kurstaki and with mating disruption pheromones, but the battle to control gypsy moths is far from over.

They continue to gain turf little by little every year. Gypsy moths now are established in 18 states and the District of Columbia as well as in eastern Canada. Gypsy moth reached the northeast part of Indiana in the early 1970s and has since appeared in Illinois, Wisconsin, and Minnesota. As much as we would like it, gypsy moths are not likely to vanish from our landscape anytime soon.
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