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Fig. 1. Experimental timetable. Each colony had access to the sucrose solution for
5 h each day. On the fifth day (Friday) from 17:00 h to the following day
(Saturday) 09:00 h, ants had access to protein in the form of 250–300
Drosophila and more varied carbohydrates as 15% honey solution. The
ants were then deprived until the following Monday at 10:00 h.