Gonzalez, V. H., Koch, J. B., Griswold, T., (2010). Biological Invasions 12(8), 2381-2383. Springer, Amsterdam, The Netherlands. English language
Gonzalez, V. H., Griswold, T. L., (2013). Zoological Journal of the Linnean Society 168(2), 221-425. Wiley-Blackwell, Oxford, UK. English language
Soper, J., Beggs, J. R., (2013). New Zealand Journal of Botany 51(3), 213-228. Taylor & Francis, Melbourne, Australia. English language
Strange, J. P., Koch, J. B., Gonzalez, V. H., Nemelka, L., Griswold, T., (2011). Biological Invasions 13(9), 2115-2133. Springer, Amsterdam, Netherlands. English language
Payne, A., Schildroth, D. A., Starks, P. T., (2011). Apidologie 42(2), 181-191. Springer-Verlag, Paris, France. English language
Maier, C. T., (2009). Proceedings of the Entomological Society of Washington 111(4), 775-784. Entomological Society of Washington, Washington, USA. English language
Gibbs, J., Sheffield, C. S., (2009). Journal of the Kansas Entomological Society 82(1), 21-29. Kansas Entomological Society, Lawrence, USA. English language
Hoebeke, E. R., Wheeler, A. G., Jr., (2005). Entomological News 116(3), 159-166. American Entomological Society at the Academy of Natural Sciences, Philadelphia, USA. English language