Hemlock Woolly Adelgid

Obscure Scale

Adelges tsugae Annand
Hemiptera: Adelgidae

  • Costa, S.; Onken, B. 2006. Standardizing sampling for detection and monitoring of hemlock woolly adelgid in eastern hemlock forests. FHTET-2006-16. Morgantown, WV: U.S. Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team; 11 p. - pdf logo New Window
  • Fidgen, J. G.; Legg, D. E.; Salom, S. M. 2006. Binomial sequential sampling plan for hemlock woolly adelgid (Hemiptera: Adelgidae) sistens infesting individual eastern hemlock trees. Journal of Economic Entomology 99: 1500-1508. - pdf logo New Window