Summerland, S.A., & Hamilton, D.W. 1951 Hemisarcoptes malus, a predator of Forbes scale.. Journal of Economic Entomology 44(5): 818.

Notes: Aspidiotus forbesi was identified as a host of H. malus in an unsprayed orchard in Indiana. Other hosts include Aspidiotus perniciosus, Lepidosaphes ulmi and Parlatoria chinensis.