EPPO Global Database

Juglans californica(IUGCA)

Pests

Organism Type
Anoplophora chinensis (as Juglans) (ANOLCN) Host
* Lim J, Jung S-Y, Lim J-S, Jang J, Kim K-M, Lee Y-M, Lee B-W (2014) A review of host plants of Cerambycidae (Coleoptera: Chrysomeloidea) with new host records for fourteen Cerambycids, including the Asian longhorn beetle (Anoplophora glabripennis Motschulsky), in Korea. Korean Journal of Applied Entomology 53(2), 111-133.

* Sjöman H, Östberg J & Nilsson J (2014) Review of host trees for the wood-boring pests Anoplophora glabripennis and Anoplophora chinensis: an urban forest perspective. Arboriculture & Urban Forestry 40(3), 143–164.
Apriona germari (as Juglans) (APRIGE) Host
* Lim J, Jung S-Y, Lim J-S, Jang J, Kim K-M, Lee Y-M, Lee B-W (2014) A review of host plants of Cerambycidae (Coleoptera: Chrysomeloidea) with new host records for fourteen Cerambycids, including the Asian longhorn beetle (Anoplophora glabripennis Motschulsky), in Korea. Korean Journal of Applied Entomology 53(2), 111-133.
Euwallacea fornicatus sensu stricto (EUWAWH) Host
* Mendel Z, Lynch SC, Eskalen A, Protasov A, Maymon M, Freeman S (2021) What determines host range and reproductive performance of an invasive ambrosia beetle Euwallacea fornicatus; lessons from Israel and California. Frontiers in Forests and Global Change 4, 654702.
------- Non reproductive host tree in California (US).
Euwallacea kuroshio (as Juglans) (EUWAKU) Host
* Smith SM, Gomez DF, Beaver RA, Hulcr J, Cognato AI (2019) Reassessment of the species in the Euwallacea fornicatus (Coleoptera: Curculionidae: Scolytinae) complex after the rediscovery of the ‘lost’ type specimen. Insects 10, 261. https://doi.org/10.3390/insects10090261
Geosmithia morbida (GEOHMO) Host
* Utley C, Nguyen T, Roubtsova T, Coggeshall M, Ford TM, Grauke LJ, Graves AD, Leslie CA, McKenna J, Woeste K, Yaghmour MA, Cranshaw W, Seybold SJ, Bostock RM, Tisserat N (2013) Susceptibility of walnut and hickory species to Geosmithia morbida. Plant Disease. 97:601-607.
------- confirmed host
Geosmithia morbida (as Juglans) (GEOHMO) Host
Graphocephala atropunctata (GRCPAT) Host
* Purcell AH (1976) Seasonal changes in host plant preference of the blue-green sharpshooter Hordnia circellata (Homoptera: Cicadellidae). The Pan-Pacific Entomologist 52(1), 33-37.
Grapholita funebrana (as Juglans) (LASPFU) Host
Phymatotrichopsis omnivora (PHMPOM) Host
* Streets RB (1937) Phymatotrichum (cotton or Texas) root rot in Arizona. Technical Bulletin, Arizona University College of Agriculture No. 71. 
Pityophthorus juglandis (PITOJU) Host
* Hishinuma SM, Dallara PL, Parker CM, Roubtsova TV, Tisserat NA, Zerillo MM, Bostock RM, Flint ML, Seybold SJ (2016). Wingnut (Pterocarya sp.) as a new generic host for Pityophthorus juglandis (Coleoptera: Scolytidae). The Canadian Entomologist (148): 83–91. doi:10.4039/tce.2015.37
-------- confirmed host
Pityophthorus juglandis (as Juglans) (PITOJU) Host
* Steven J Seybold, William E Klingeman, Stacy M Hishinuma, Tom W Coleman, Andrew D Graves (2019) Status and Impact of Walnut Twig Beetle in Urban Forest, Orchard, and Native Forest Ecosystems, Journal of Forestry (117)2, 152–163, https://doi.org/10.1093/jofore/fvy081
Rhagoletis completa (RHAGCO) Host
* Korneyev VA, Mishustin RI, Korneyev SV (2017) The Carpomyini fruit flies (Diptera, Tephritidae) of Europe, Caucasus, and Middle East: New records of pest species, with improved keys. Vestnik zoologii 51(6), 453–470. https://doi.org/10.2478/vzoo-2017-0056
Rhagoletis completa (as Juglans) (RHAGCO) Host
Rhagoletis suavis (as Juglans) (RHAGSU) Host
Spodoptera praefica (as Juglans) (PRODPR) Host
* British Columbia Ministry of Agriculture. Western yellowstriped armyworm (Spodoptera praefica). https://rdno.civicweb.net/document/127358/western-yellowstriped-armyworm.pdf?handle=3CD053B4F8D54F9CBB93F8D6D5572C27
Thaumetopoea processionea (as Juglans) (THAUPR) Host
* Carter DJ (1984) Pest Lepidoptera of Europe with special reference to the British Isles. Springer, 432 pp.
Trichoferus campestris (as Juglans) (HESOCA) Host
* CAPS (2019) Trichoferus campestris. Cooperative Agricultural Pest Survey pest datasheets. http://download.ceris.purdue.edu/file/3869
------- Living host.