White specks may be indication of pine needle pest

K-State horticulture expert encourages spraying for scales now to prevent damage to pines.

Why are my interior conifer needles turning yellow? - MSU Extension

Pine Tree Diseases

How to treat hemlock trees for hemlock woolly adelgid - Forestry

Help! any Idea what these white spots on my pine are? some Kind of fungus? : r/plantclinic

Borers of Pines and Other Needle Bearing Evergreens in Landscapes

Pine needle scale

Pine Diseases The Morton Arboretum

Is the Pine Sawfly Killing Your Conifer Trees?- Independent Tree

Dothistroma Blight of Pines

Is the Pine Sawfly Killing Your Conifer Trees?- Independent Tree

Is the Pine Sawfly Killing Your Conifer Trees?- Independent Tree

Is the Pine Sawfly Killing Your Conifer Trees?- Independent Tree