* Pinon J (1986) Situation de Melampsora medusae en Europe. Bulletin OEPP/EPPO Bulletin 16, 547-551.
------- infection reported after following inoculation studies.
* Pinon J (1986) Situation de Melampsora medusae en Europe. Bulletin OEPP/EPPO Bulletin 16, 547-551.
------- infection reported after following inoculation studies.
* Dumas MT, Laflamme G (2013) Pinus banksiana, a new primary host of the pathogen Heterobasidion irregulare in Eastern Canada. In Canadian Plant Disease Survey - Disease Highlights, The Canadian Phytopathological Society.
------- confirmed host
Nielsen UB, Xu J, Nielsen KN, Talgø V, Hansen OK, Thomsen IM (2017) Species variation in susceptibility to the fungus Neonectria neomacrospora in the genus Abies. Scandinavian Journal of Forest Research, 32(5), 421–431. doi:10.1080/02827581.2017.1287300
------- confirmed host
* Chilahsaeva EA (2008) First record of Polygraphus proximus (Coleoptera, Scolytidae) in Moscow Province. Bulletin of the Moscow Society of Naturalists 113(6), 39-42. [In Russian]
------- confirmed host
* Seraya LG, Pashenova NV, Mukhina LN, Dymovich AV, Alexandrova MS, Baranchikov YN (2014) The damage of Abies Mill. species at the Main botanical garden RASc by four eyed fir bark beetle Polygraphus proximus Bland. and associated fungi.Lesniye biogeotsenozy borealnoy zony : geographiya, struktura, funksii, dinamica [Forest biogeocoenosises of the Boreal zone: geography, structure, functions, dynamics]. Novosibirsk: SB RASc Publ.House, 2014. Pp. 652-655
------- observed in the collection of fir species at the Main botanical garden of the Russian Academy of Siences in Moscow
* Ben-Dov Y (1994) A systematic catalogue of the mealybugs of the world (Insecta: Homoptera: Coccoidea: Pseudococcidae and Putoidae) with data on geographical distribution, host plants, biology and economic importance. Intercept Limited Andover, 686 pp.
* Wang TC (1981) [Homoptera: Coccoidea.]. Insects of Xizang [=Tibet] 1, 283-294.
* Van Driesche RG, LaForest JH, Bargeron CT, Reardon RC, Herlihy M (2012) Forest Pest Insects in North America: a Photographic Guide. USDA Forest Service. Forest Health Technology Enterprise Team. Morgantown, WV. FHTET-2012-02.
* van Frankenhuyzen K, Ebling P, Thurston G, Lucarotti C, Royama T, Guscott R, Georgeson E, Silver J (2002) Incidence and impact of Entomophaga aulicae (Zygomycetes: Entomophthorales) and a nucleopolyhedrosis virus in an outbreak of the whitemarked tussock moth (Lepidoptera: Lymantriidae). The Canadian Entomolologist. 134: 825–845.
