Short articles describing some of the problems associated with the hemlock woolly adelgid:
- Hemlock Woolly Adelgid: Forest Pest Loading the player...
- Combatting the Hemlock Woolly Adelgid
- Hemlock Woolly Adelgid, Adelges tsugae (Annand)
Two longer but very informative articles on the HWA:
Longer articles on the HWA, all restricted access:
- A Death in the Forest (a first person account from The New Yorker magazine)