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Identification & Biology
Trees Gypsy Moths Like
How Gypsy Moths Harm Trees
Where Gypsy Moths Are
Gypsy Moth Management
Slow The Spread (USFS and Indiana DNR)
For Homeowners
Impact on Homeowners
Harm to Trees
How Gypsy Moths Move
Your Tree’s Health
Clean Up Your Yard
Destroy Egg Masses
Control of Caterpillars
Insecticides for Caterpillars
Control of Pupae
Control of Adults
Gypsy Moth Activity Calendar
For Professionals
Quarantine Information
History of Gypsy Moths
Asian vs. European Gypsy Moth
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Gypsy Moth Activity Calendar for Indiana Homeowners

Click on the stages to learn more about control.

Gypsy moth life cycle
  September -
March
April May June July August
Egg masses present Gypsy Moth graphic Gypsy Moth graphic     Gypsy Moth graphic Gypsy Moth graphic
Caterpillars present   Gypsy Moth graphic Gypsy Moth graphic Gypsy Moth graphic Gypsy Moth graphic  
Feeding damage occurs     Gypsy Moth graphic Gypsy Moth graphic Gypsy Moth graphic  
Pupae present       Gypsy Moth graphic Gypsy Moth graphic  
Adults present       Gypsy Moth graphic Gypsy Moth graphic Gypsy Moth graphic

Actions by homeowners
  September -
March
April May June July August
Destroy egg masses Gypsy Moth graphic Gypsy Moth graphic        
Hose young caterpillars off surfaces Gypsy Moth graphic Gypsy Moth graphic      
Chemical control of caterpillars Gypsy Moth graphic Gypsy Moth graphic Gypsy Moth graphic Gypsy Moth graphic  
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