* King PD, Mercer CF, Meekings JS (1981) Ecology of black beetle, Heteronychus arator (Coleoptera: Scarabaeidae)—influence of pasture species on oviposition site preference. New Zealand Journal of Zoology 8 (1), 119-122.
* EFSA (2024) Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023. EFSA Journal 22, e8898. https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2024.8898
------- Subspecies unknown.
* Purcell AH, Frazier NW (1985) Habitats and dispersal of the principal leafhopper vectors of Pierce's disease bacterium in the San Joaquin Valley. Hilgardia 53(4), 1-32.
------- Breeding host.