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Fig. 5. Effect of distance and sucrose concentration on forager thoracic
temperatures in the nest. (A) The average increase in thoracic temperature
over ambient air temperature at the nest (
Tnest).
Linear regression lines shown. (B) The corresponding average ambient air
temperatures (Tnest) for each sucrose concentration are
shown. Values are means ± S.D. Sample sizes given
in Table 2. Asterisk indicates
that symbols are displaced to either side of the 276 m coordinate to avoid
obscuring values. Open symbols, 1.0 mol l1 sucrose; closed
symbols, 2.5 mol l1 sucrose.