| bagworm |
Thyridopteryx ephemeraeformis |
2 |
| balsam gall midge |
Paradiplosis tumifex |
1 |
| balsam twig aphid |
Mindarus abietinus |
3 |
| balsam woolly adelgid |
Adelges piceae |
3 |
| black pineleaf scale |
Dynaspidiotus californica |
3 |
| Botryosphaeria canker |
Botryosphaeria dothidea |
3 |
| brown spot needle blight of pine |
Mycosphaerella dearnessii |
1 |
| cedar-apple rust |
Gymnosporangium juniperi-virginianae |
1 |
| Cercospora fungi |
Cercospora spp. |
1 |
| conifer sawflies |
Neodiprion spp. |
1 |
| cooley spruce gall adelgid |
Adelges cooleyi |
1 |
| cryptomeria scale |
Aspidiotus cryptomeriae |
2 |
| Cytospora cankers |
Cytospora spp. |
1 |
| desication (wind burn) |
|
1 |
| Diplodia blight |
Sphaeropsis sapinea |
1 |
| Diplodia tip blights |
Diplodia spp. |
2 |
| Dothiostroma fungus |
Dothistroma spp. |
1 |
| Dothistroma needle blight |
Mycosphaerella pini |
1 |
| Douglas-fir needlecast |
Rhabdocline pseudotsugae |
2 |
| Douglas-fir tussock moth |
Orgyia pseudotsugata |
4 |
| dusty-wings |
|
1 |
| eastern redcedar |
Juniperus virginiana |
4 |
| eastern white pine |
Pinus strobus |
2 |
| European pine sawfly |
Neodiprion sertifer |
1 |
| European pine shoot moth |
Rhyacionia buoliana |
1 |
| flooding/high water |
|
2 |
| Fraser fir |
Abies fraseri |
3 |
| frost and winter injury (general) |
|
1 |
| gladiolus rust |
Uromyces transversalis |
1 |
| glyphosate |
|
1 |
| herbicides (general) |
|
4 |
| introduced pine sawfly |
Diprion similis |
2 |
| Ips engraver beetles |
Ips spp. |
2 |
| juniper witches' broom rust |
Gymnosporangium nidus avis |
1 |
| larger pine shoot beetle |
Tomicus piniperda |
10 |
| Leyland cypress |
x Cupressocyparis leylandii |
2 |
| Lophodermium needle casts |
Lophodermium spp. |
1 |
| mantids |
|
1 |
| mountain pine beetle |
Dendroctonus ponderosae |
1 |
| Nantucket pine tip moth |
Rhyacionia frustrana |
7 |
| Phomopsis blight |
Phomopsis juniperivora |
6 |
| Phytophthora root rot |
Phytophthora cinnamomi |
3 |
| pine needle scale |
Chionaspis pinifoliae |
1 |
| pine root collar weevil |
Hylobius radicis |
1 |
| pine tortoise scale |
Toumeyella parvicornis |
3 |
| pine wilt nematode |
Bursaphelenchus xylophilus |
1 |
| pitch canker |
Fusarium subglutinans |
5 |
| Ploioderma needle cast of pine |
Ploioderma lethale |
3 |
| red pine cone beetle |
Conophthorus resinosae |
1 |
| red squill |
Urginea maritima |
1 |
| redheaded pine sawfly |
Neodiprion lecontei |
4 |
| Rhabdocline needlecast |
Rhabdocline weirii |
2 |
| Scots pine |
Pinus sylvestris |
4 |
| southern blight |
Sclerotium rolfsii |
4 |
| spider mites |
|
1 |
| spruce needle rust |
Chrysomyxa weirii |
4 |
| Swiss needle cast |
Phaeocryptopus gaeumannii |
9 |
| tar spot needlecast |
Davisomycella ampla |
1 |
| tip moth |
|
1 |
| unknown scale |
|
1 |
| urban planting |
|
1 |
| western gall rust |
Endocronartium harknessii |
5 |
| white fir |
Abies concolor |
1 |
| white pine weevil |
Pissodes strobi |
6 |
