File:Jansen, G., Radchenko, A. 2009. Myrmica specioides a new invasive ant species in the USA.pdf

Jansen, G. & Radchenko, A. 2009. Myrmica specioides Bondroit: a new invasive ant species in the USA? Biological Invasions 11: 253–256 (DOI:10.1007/s10530-008-9229-y).