spruce bud scale (physokermes piceae) scale insects known as the bud scales. a pest on the shoot of spruce in the garden

branch tree plant spruce fir twig flower leaf evergreen shrub grass larch frost thorns bud scale physokermes piceae insects known scales pest shoot garden agriculture botanical garden branch bug bunch closeup cluster cone conical conifer coniferous cycle damage entomology evergreen fascicle female fir flora forest green growth immature insect leaf life nature needle needles new nobody parasite park pest physokermes pine plant protection scale leaves seasonal shoot spear spring spruce strobile tree wood young