Gypsy Moth Cooperative Suppression Program
The Department's Gypsy Moth Cooperative Suppression Program is designed to protect priority
forest and shade trees in selected sites on public and private forested land. The three major objectives of
the program are:
- to prevent gypsy moth defoliation that can lead to
weakening or death of affected trees;
- to reduce gypsy moth populations to a level so that insecticide
retreatment of the site will not be necessary for one or more years; and,
- to utilize pest management techniques that will achieve the most efficient and effective
results on a continuing basis with the time, material and people resources available.
The Cooperative Gypsy Moth Suppression Program is a partnership between the Department,
the USDA Forest Service, local jurisdictions and landowners. The Program has operated
successfully with an average 97% foliage protection since 1982. An Integrated Pest
Management approach is used, beginning with extensive pest population surveys targeted
at susceptible high value rural and urban forested areas of Maryland. To read about
the major components of the Maryland Cooperative Gypsy Moth Suppression Program,
including the approach, policies and established procedures by which the program is
conducted, select the “Approach” or “Policy” choices at the left.
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