Woody Ornamental Integrated Pest Management at Penn State
HOME: Woody Ornamental Integrated Pest Management
FACT SHEETS: Identification and management of insects and diseases on landscape plants
PEST ACTIVITY: Weekly reports on insect and disease activity in Southwestern Pennsylvania
PEST DIAGNOSIS: Images of major insect and disease pests of landscape plants
CLASSES: Educational offerings in Southwestern Pennsylvania
CONTACT US: Mailing address, phone number, fax, and email information
SERVICES: Soil testing, insect and disease identification
RELATED LINKS: Integrated Pest Management information on the Web



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Cynipid Gall Wasp Fact Sheet

Fact Sheets > Insect Fact Sheets > Cynipid Gall Wasp

 
Scarlet oak sawfly feeding on red oak foliage Small round galls formed by the feeding by cynipid gall wasps on white oak
Cynipid gall wasp damage ion the upper leaf surface of white oak Small round galls formed by cynipid gall wasps feeding on white oak

 

Oak hedgehog gall caused by a small cynipid wasp
Oak hedgehog gall caused by a small cynipid wasp

 

 

 

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