* Paiero SM, Jackson MD, Jewiss-Gaines A, Kimoto T, Gill BD, Marshall SA (2012) Field guide to the jewel beetles of northeastern North America. Canadian Food Inspection Agency, Ottawa, Ontario, Canada.
* Zeller W (1977) Studies on fire blight in the German Federal Republic. 2. Susceptibility of woody ornamentals to Erwinia amylovora. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 29(1 ), p 1-10.
* Yee WL, Norrbom AL (2017) Provisional List of Suitable Host Plants of the Apple Maggot Fly, Rhagoletis pomonella (Walsh) (Diptera: Tephritidae), Version 1.0, 20pp, in USDA Compendium of Fruit Fly Host Information (CoFFHI)
Edition 2.0; https://coffhi.cphst.org/.
------- confirmed host
* Yee WL, Goughnour RB (2008) Host use by and new host records of apple maggot, western cherry fruit fly, and other Rhagoletis species (Diptera: Tephritidae) in western Washington state. Pan-Pacific Entomologist 84: 179–193
-------larval infestation
* Stigter H, Geraedts WHJM, Spijkers HCP (1997) Thaumetopoea processionea in the Netherlands: Present status and management perspectives (Lepidoptera: Notodontidae). Proceedings of the Section Experimental and Applied Entomology of the Netherlands Entomological Society (N.E.V.) 3-16.
------- Occasional larval feeding.
* Yee WL, Norrbom AL (2017) Provisional List of Suitable Host Plants of the Apple Maggot Fly, Rhagoletis pomonella (Walsh) (Diptera: Tephritidae), Version 1.0, 20pp, in USDA Compendium of Fruit Fly Host Information (CoFFHI)
Edition 2.0; https://coffhi.cphst.org/.
------- the following North American species are confirmed hosts: Crataegus brachyacantha, Crataegus brainerdii, Crataegus cuprina, Crataegus erythropoda, Crataegus flava, Crataegus greggiana, Crataegus invisa, Crataegus rosei, Crataegus suksdorfii, Crataegus texana.
