EE Environmental Entomology is now published by Oxford University Press. It can be accessed from the locations listed below.

Interactions of Native and Non-Native Lady Beetle Species (Coleoptera: Coccinellidae) With Aphid-Tending Ants in Laboratory Arenas
C. J. Finlayson
Environmental Entomology(2009),38(3):846
http://dx.doi.org/10.1603/022.038.0338

Oxford University Press BioOne