Identification of the sex pheromone of an ant, Formica lugubris (Hymenoptera, Formicidae) Walter, F. ; Fletcher, D. J. C. ; Chautems, D. ; Cherix, D. ; Keller, L. ; Francke, W. ; Fortelius, W. ; Rosengren, R. ; Vargo, E. L. Abstract Publication: Naturwissenschaften Pub Date: January 1993 DOI: 10.1007/BF01139755 Bibcode: 1993NW.....80...30W