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

Northward Expansion of the Invasive Linepithema humile (Hymenoptera: Formicidae) in the Eastern United States is Constrained by Winter Soil Temperatures
R.J. Brightwell
Environmental Entomology(2010),39(5):1659
http://dx.doi.org/10.1603/EN09345

Oxford University Press BioOne