Ants farm subterranean aphids mostly in single clone groups - an example of prudent husbandry for carbohydrates and proteins?
1 Theoretical Biology, Centre for Ecological and Evolutionary Studies, University of Groningen, Nijenborgh 7, Groningen 9747 AG, The Netherlands
2 Centre for Social Evolution, Department of Biology, University of Copenhagen, Universitetsparken 15, Copenhagen DK-2100, Denmark
3 Laboratory of Insect Social Evolution, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
BMC Evolutionary Biology 2012, 12:106 doi:10.1186/1471-2148-12-106Published: 2 July 2012
Additional file 1:
This file provides additional information on (1) Aphid abundance estimates (including a table with present and previous estimates) (2) Absence of scramble competition in the study system and (3) Ecological factors influencing aphid diversity[57-60].
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