Huffaker, C.B., Dahlsten, D.L., Janzen, D.H., & Kennedy, G.G. 1984 Insect influences in the regulation of plant populations and communities.. Ecological Entomology. Wiley-Interscience New York 844 pp.

Notes: Carulaspis visci and Lepidosaphes newsteadi are examples of species that have closely coevolved with a particular host species and that are more detrimental consumers to a relative of its natural host (Juniperus bermudiana than to the natural host itself. Dactylopius opuntiae is mentioned as supplementing control of the Opuntia stricta-O. inermis complex by Cactoblastis.