Publications for:

pest = Pineus pinifoliae
crop = Spruce (Picea)

found 2 publications:

2009

Genetic resistance of spruce to gall-forming adelgids (Hemiptera: Adelgidae)
Canadian Journal of Forest Research - Revue Canadienne de Recherche Forestière (2009) 39 (12), 2536-2541
publishers website - pestinfo wiki

2001

Is gall size a good indicator of adelgid fitness?
Entomologia Experimentalis et Applicata (2001) 99 (2), 267-271
pestinfo wiki