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New York State Hemlock Initiative

Keeping the legacy alive

Outreach Materials

Finding HWA

HWA ID and Reporting Guide

Hemlock and HWA ID Guide

Abbreviated Bibliography of HWA Biological Control Literature

HWA Phenology Surveying

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Management Overview

HWA Management: Challenges, Success, Hope

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Hemlock Prioritization Toolkits

Landowner Priorization Tool

Regional Hemlock Priorization Tool

Landowner Prioritization Toolkit Description

Regional Hemlock Prioritization Toolkit Description

Learn more about our prioritisation toolkits here.

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HWA Treatment Resources

2020 Soil Drench Instructions and Guidelines

Insecticide Treatment Information

Imidaclorid Soil Injection Instructions

Optimized Insecticide Dosage

Additional information on HWA treatment can be found on our page on HWA management page .

Click here to return to the New York Hemlock Initiative homepage

To tell us about hemlock woolly adelgid findings in your area, click here

Contact us at nyshemlockinitiative@cornell.edu.