HWA monitoring

From now until mid-April is the best time to monitor for HWA. The woolly balls will be clearly visible until May or even later, but after mid-April there's some danger of inadvertently moving crawlers to new areas (see life-cycle). Here's a survey protocol for citizen monitoring in Ontario (largely based on New York and Pennsylvania protocols, and including some inaturalist photos): and a great handout showing look-alikes:

Posted on March 06, 2017 10:04 PM by ancientforest ancientforest | 0 comments | Leave a comment
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The distribution of eastern hemlock is surprisingly poorly mapped in many states and provinces, and hemlock is also difficult to identify using remote sensing. As hemlock woolly adelgid continues to expand through the range of eastern hemlock, we need to know where hemlock is found, for monitoring and management of the invasive tree-killing insect. Help us by adding your observations of ...more ↓

Mini ancientforest created this project on January 14, 2017

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