Levels of Fe, Al, Zn and Cd in Formica aquilonia, F. polyctena and Myrmica ruginodis (Hymenoptera, Formicidae) collected in the vicinity of spruces showing different degrees of needle-loss

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith