Pine Bark Adelgids Infest White Pines
Help with eastern white pine vs adelgid (backstory in comments) : r/arborists
Insect Pests on Evergreens Right Now
Pests
Home, Yard & Garden Newsletter at the University of Illinois
Pineus strobi, Insect & Mite Guide
Pests of Conifers NC State Extension Publications
Pest Control for the Southwest: Piñon Ips Beetle - FineGardening
Scarab beetles, Dichelonyx fulgida, on whitebark pine pollen catkins.
White Pine - White Substance and needle Loss - Ask Extension
eastern hemlock New York State Parks and Historic Sites Blog
Pineus pini (pine woolly aphid)
Pine Bark Adelgids Infest White Pines