Some of these publication are only available as a PDF download.  The others can be requested from the customer service staff at any DNR Service Center by telling them the identification code below. All are free and will be sent directly to you.

FR-171a Identifying and Managing Gypsy Moth Egg Masses (PDF download only)
Managing egg masses in late fall and winter will reduce the number of caterpillars you’ll encounter the following spring. This brochure tells homeowners where to look for egg masses and the best techniques for killing them.

FR-171b Identifying and Managing Gypsy Moth Caterpillars (PDF download only)
This publication answers homeowner questions on how to control gypsy moth caterpillars on their property.

FR-171d Selecting a Pesticide for Gypsy Moth Control (PDF download only)
This brochure is designed to help homeowners and landowners make an informed decision about the effectiveness and risks of available pesticides. Options described range from insecticidal soaps, biological insecticides, insect hormone mimics, and chemical insecticides. In most cases an applicator will need to be hired for treating larger trees.

Forestry Facts No. 83 Forest Management Strategies to Minimize the Impact of the Gypsy Moth (PDF download only)
Four-page publication that describes tree species favored by the gypsy moth, conditions that lead to high levels of mortality following outbreaks of the pest and silvicultural prescriptions to minimize losses. This publication is appropriate for most landowners.

FR-123 Gypsy Moth Silvicultural Guidelines for Wisconsin (PDF download only)
This booklet is designed for foresters or others with some forestry background. Material covers information on the gypsy moth, links the impact of the pest to habitat types and provides suggestions for forest management strategies to reduce damage from gypsy moth.

UWEX-X1063: Spongy Moth Garden Facts
General information about the gypsy moth and a useful calendar showing the four gypsy moth life stages, and what home owners should look for during each.

Gypsy Moth Backgrounder
A brief look at the gypsy moth in Wisconsin.

Treatments: Bacillus thuringiensis var. kurstaki (BTK)
Useful information on the bacterial insecticide Btk, most commonly used in aerial spray applications.

Treatments: Gypchek
In areas that contain the caterpillars of other moth and butterfly species that are affected by Btk, we spray Gypchek, a virus that only affects gypsy moth.

Mating Disruption Info Sheet
Information from Purdue University about the pheromone/mating disruption technique.

Common Oak Defoliators in Michigan (It’s Not Always the Gypsy Moth!)
Lots of color photos with distinguishing traits of 16 other caterpillar species that feed on oaks. All species are found in Wisconsin. Good for woodlot owners, foresters, and others with some background with insects.