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(a,c) Male adult dry mass and (b,d) relative fat content in relation to age and feeding treatment in the butterfly B. anynana (means +1 s.e.; (a,b) experiment 1 and (c,d) experiment 2). For details on experimental treatments see text. Sample size per group is 79 (experiment 1) and 80 (experiment 2). Filled bars, control; open bars, starved.
