EPPO Global Database

Tsuga heterophylla(TSUHE)

Pests

Organism Type
Melampsora medusae (as Tsuga) (MELMME) Experimental
* Pinon J (1986) Situation de Melampsora medusae en Europe. Bulletin OEPP/EPPO Bulletin 16, 547-551.
------- infection reported after following inoculation studies.
Melampsora medusae f. sp. deltoidis (as Tsuga) (MELMMD) Experimental
* Pinon J (1986) Situation de Melampsora medusae en Europe. Bulletin OEPP/EPPO Bulletin 16, 547-551.
------- infection reported after following inoculation studies.
Arceuthobium laricis (as Tsuga) (ARELA) Host
Bursaphelenchus xylophilus (as Tsuga) (BURSXY) Host
Chionaspis pinifoliae (as Tsuga) (PHECPI) Host
* INTERNET
ScaleNet. Chionaspis pinifoliae. http://scalenet.info/catalogue/Chionaspis%20pinifoliae/
Choristoneura fumiferana (as Tsuga) (CHONFU) Host
Colletotrichum acutatum (COLLAC) Host
Coniferiporia weirii (INONWE) Host
Coniferiporia weirii (as Pinaceae) (INONWE) Host
Dendroctonus pseudotsugae (DENCPS) Host
Dendrolimus sibiricus (as Tsuga) (DENDSI) Host
Dendrolimus superans (as Tsuga) (DENDSU) Host
Gnathotrichus sulcatus (GNAHSU) Host
Gnathotrichus sulcatus (as Pinaceae) (GNAHSU) Host
Heterobasidion irregulare (as Tsuga) (HETEIR) Host
Leptoglossus occidentalis (as Tsuga) (LEPLOC) Host
Melampsora farlowii (as Tsuga) (MELMFA) Host
Neonectria neomacrospora (NECTMA) Host
Orgyia pseudotsugata (ORGYPS) Host
Phytophthora cinnamomi (as Pinaceae) (PHYTCN) Host
Phytophthora ramorum (PHYTRA) Host
* Webber JF, Mullet M & Brasier CM (2010) Dieback and mortality of plantation Japanese larch (Larix kaempferi) associated with infection by Phytophthora ramorum. New Disease Reports 22, 19.
Polygraphus proximus (as Tsuga) (POLGPR) Host
Sirococcus tsugae (as Tsuga) (SIROTS) Host
Acleris gloverana (ACLRGL) Major host
Arceuthobium tsugense (ARETS) Major host
* Calkins SJ, Shaw DC, Lan Y‐H (2021) Transformation of western hemlock (Tsuga heterophylla) tree crowns by dwarf mistletoe (Arceuthobium tsugense, Viscaceae). Forest Pathology 51, e12664. 

* Hawksworth FG, Wiens D (1996) Dwarf mistletoes: Biology, pathology, and systematics. USDA - Forest Service. Agriculture Handbook 709, 429 pp.
------- Principal host for A. tsugense subsp. tsugense but rare host for A. tsugense subsp. mertensianae.
Lambdina fiscellaria (LAMBFI) Major host
* Natural Resource Canada (2015) Western hemlock looper  https://tidcf.nrcan.gc.ca/en/insects/factsheet/1000002 
-------Lambina fiscellaria lugubrosa 
Lambdina fiscellaria (as Tsuga) (LAMBFI) Major host
* Maine Forest Service (2001) Hemlock looper Lambdina fiscellaria (Gn.). Maine Department of Conservation. https://www.maine.gov/dacf/mfs/forest_health/insects/hemlock_looper.htm 
------- Lambdina fiscellaria fiscellaria
Sirococcus tsugae (SIROTS) Major host