Pine bark adelgid becoming active in white pines - MSU Extension

Know how to identify pine bark adelgids and what chemical control measures are required if needed to protect tree health.

Pine Bark Adelgid, VCE Publications

What's Wrong With My Plant? Garden University Of Minnesota, 42% OFF

Pine Bark Adelgid Causes Needle Stunting

How to treat hemlock trees for hemlock woolly adelgid - Forestry

Pine Bark Adelgid Causes Needle Stunting

What insect is this? : Garden : University of Minnesota Extension

Center for Invasive Species Prevention – analyzing efficacy of invasive species policies

Invasive Pest of Landscape Trees in Utah by Utah State University Extension - Issuu

White fluff on Pine Trunks and Branches…Pine Bark Adelgid