Early spring 1+0

Adelges cooleyi
( Cooley spruce gall adelgid )

Adelges piceae
( Balsam woolly adelgid )

Botrytis cinerea
( Gray mould )

Bourletiella hortensis
( Collembola - Springtails )

Bradysia spp.
( Fungus gnats )

Choristoneura occidentalis
( Western spruce budworm )

Cinara spp.
( Giant conifer aphids )

Cylindrocarpon destructans
( Cylindrocarpon root rot )

Elatobium abietinum
( Green spruce aphid )

Fusarium spp.
( Post-emergence damping-off )

Lygus lineolaris
( Lygus bug )

Melampsora medusae
( Melampsora foliage rust - conifer-aspen rust )

Melampsora occidentalis
( Melampsora foliage rust - conifer-cottonwood rust )

Meria laricis
( Larch needle cast )

Mindarus obliquus
( Spruce wooly aphid )

Oligonychus ununguis
( Spruce spider mite )

Orgyia antiqua
( Rusty tussock moth )

Pachypappa tremulae
( Conifer root aphid )

Peridroma saucia
( Variegated cutworms )

Phomopsis spp.
( Phomopsis canker and foliage blight )

Phytophthora spp.
( Phytophthora root rot )

Polyphylla decemlineata
( June beetles (white grubs) )

Prociphilus xylostei
( Conifer root aphid )

Pythium spp.
( Post-emergence damping-off )

Pythium spp.
( Needle dieback )

Rhyacionia buoliana
( European pine shoot moth )

Sirococcus strobilinus
( Sirococcus blight )

Thelephora terrestris
( Smothering fungus )

Trisetacus spp.
( Trisetacus mite )