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Buschinger, A. 1981. Biological and systematic relationships of social parasitic Leptothoracini from Europe and North America. Pp. 211-222 in: Howse, P. E.; Clement, J.-L. (eds.) 1981. Biosystematics of social insects. Systematics Association Special Volume No. 19. London: Academic Press, 346 pp. [1981] PDF 123348