File:Czechowska, W., Radchenko, A. 1997. Myrmica hirsuta - a socially parasitic ant species new to Poland.pdf

Czechowska, W.; Radchenko, A. 1997. Myrmica hirsuta Elmes, 1978 (Hymenoptera, Formicidae) - a socially parasitic ant species new to Poland. Fragm. Faun. (Warsaw) 40: 53-57