Additional Resources
Podcast
Hemlock Woolly Adelgid
Right click to download MP3 file (12 mb)
- Kelly van Frankenhuyzen
- talks with U.S. Forest Service experts about hemlock woolly adelgid and it's impacts on eastern hemlock forests.
- Andrea Hille, Silviculturist, Allegheny National Forest, Pennsylvania
- Nathan Havill, Research Entomologist, Northern Research Station, Hamden, Connecticut
- Therese Poland, Research Entomologist and Project Leader of Ecology and Management of Invasive Species in Forest Ecosystems research work unit, Lansing, Michigan
Royalty free music from Bensound.com
Images
![[photo:] Hemlock woolly adelgid winged adult. In Japan, this form flies to spruce where there is a sexual generation and galls are formed.](/disturbance/invasive_species/hwa/local-resources/images/adult_hwa.jpg)
Hemlock woolly adelgid winged adult. In Japan, this form flies to spruce where there is a sexual generation and galls are formed.
![[photo:] Hemlock woolly adelgid gall on tigertail spruce in Japan](/disturbance/invasive_species/hwa/local-resources/images/gall_from_hwa.jpg)
Hemlock woolly adelgid gall on tigertail spruce in Japan
![[image:] Diagram of adelgid life cycle. Click on image to view larger version.](../local-resources/images/MontgomeryAdelgidLifeCycle.gif)
Diagram of adelgid life cycle
Related Links
Last Modified: 09/12/2017