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Entomology & Plant Pathology > Regulatory & Scientific Information > Gypsy Moth > 2011 Indiana Gypsy Moth Treatment Archive 2011 Indiana Gypsy Moth Treatment Archive

2011 Gypsy Moth Treatments | Press Releases | Maps of Treatment Areas for 2011
Proposed Treatments | Environmental Assessment Documents | Public Meetings | Archives | Links

2011 Gypsy Moth Treatments

Updates before and during treatment are available on the Twitter online service at, or view our latest tweet below:

Gypsy Larva

The gypsy moth, Lymantria dispar, is one of North America's most devastating invasive forest pests. The species originally evolved in Europe and Asia and has existed there for thousands of years. In the late 1860s, the European gypsy moth was accidentally introduced near Boston, MA by an amateur entomologist. Since then, gypsy moths have spread throughout the Northeast and into parts of the upper Midwest and Great Lakes states including Indiana. 

The gypsy moth is known to feed on the foliage of hundreds of species of trees and shrubs in North America but prefers oak trees. When gypsy moth populations reach high levels, trees may be completely defoliated by feeding caterpillars. Several successive years of defoliation, along with contributions by other stress factors, often results in tree death. Gypsy moth can be an expensive, messy problem for homeowners and, when out of control, can cause extensive damage to U.S. forests.

Indiana citizens can help combat this pest by understanding the gypsy moth problem and learning about its management. Please use this website as a source of reliable, current information.

Maps of Treatment Areas for 2011

Statewide Overview Map of All Treatments

May 2011 Btk Treatment Maps

June 2011 Mating Disruption Treatment Maps

2011 Gypsy Moth Treatment Product Labels & MSDS Sheets

Mating Disruption Information

  • Q & A's about Mating Disruption

Btk Information

2011 Indiana Environmental Assessment Documents

Press Releases

Proposed Treatments

If you are unable to attend one of the public meetings, you may still view the information which will be presented. Click here for a Presentation of the meeting content. You may follow along the slide presentation with a copy of the Meeting Content Text Sheet.

We enjoy talking about gypsy moth and would like to answer your questions and hear your comments. The comment period on these proposed treatments begins Tuesday, January 25, 2011, and ends Friday, February 25, 2011 at 4:30 p.m. (EST).

For more information on gypsy moth treatments contact the Purdue Entomology Gypsy Moth Education Program at (765) 494-0822

Public Meetings

County Block Treatment Date Time Location Address
Grant Upland MD 1/25/2011 6:30 pm (Eastern) Ivy Tech Conference Center [map] 261 South Commerce Drive, Marion
Marshall, Starke, St. Joseph Plymouth, Koontz Lake, and Tamarack Road MD 1/26/2011 3:00 & 6:00 pm (Eastern) Plymouth Public Library [map] 201 North Center Street, Plymouth
Marshall, Starke, St. Joseph Walkerton, Koontz Lake, and Tamarack Road MD 1/27/2011 6:00 pm (Eastern) Walkerton Community Building [map] 813 Ohio Street, Walkerton
Allen Bremer Road 11, Kroemer Road 11, Hadley Road 11, and Lindenwood 11 BTK 1/31/2011 3:00 & 6:00 pm (Eastern) University of St. Francis, Former Abundant Life Tabernacle [map] 2702 Spring Street, Ft. Wayne
Porter 350 East, 350 East Btk Core BTK 2/8/2011 6:00 pm (Central) Porter County Library [map] 103 Jefferson Street, Valparaiso
Adams Wren MD 2/12/2011 2:00 pm (Eastern) Adams County Public Library [map] 128 South 3rd. Street, Decatur
LaPorte, Stark Bigler Road MD 2/16/2011 6:30 pm (Central) Lacrosse Public Library [map] 14 East Main Street, Lacrosse
Miami, Wabash Mississinewa North, Mississinewa South MD 2/9/2011 6:00 pm (Eastern) Miami State Recreation Area [map] 4673 South 625 East, Peru
Lake Springrose Heath BTK 2/9/2011 6:00 pm (Central) Lake County Extension Office 880 East 99th. Court, Crown Point
Lake Highland BTK 2/10/2011 6:00 pm (Central) Lake County Public Library [map] 2841 Jewett Avenue, Highland



  • Slow The Spread
    This nonprofit organization was established for the purpose of aiding in the implementation of the U.S.D.A. National Slow the Spread of the Gypsy Moth Project. The National Slow the Spread of the Gypsy Moth Project is part of the U.S.D.A.'s national strategy for the gypsy moth management.
  • Purdue Entomology Gypsy Moth Site
    This web site provides information on the biology of the gypsy moth, what homeowners can do to lessen the effects of the insect, and access to brochures on treatments.
  • Pest Tracker from NAPIS
    This web site publishes survey maps for pests of agricultural and forest commodities and provides links to pest news and information.
  • Indiana's Strategic Plan for Gypsy Moth