Duffield_agedependent_terminalinvestment_calling.txt – calling effort of young and old male crickets following treatment from an increasing spectrum of infection cue intensity using heat-killed bacteria. Column explanations Age_class – time at treatment (young= 1 week old; old= 3 weeks old) Cue – treatment given from an increasing spectrum of infection cue intensity (naïve, sham, low, mod “moderate”, or high) Weight - body mass immediately prior to treatment (mg) Pop – geographic location from which the population originated (NM = New Mexico, AZ = Arizona, CA = California, MIX = descendants of a mixed colony of NM and AZ) Pronotum – pronotum width post-mortem (mm) Femur – femur length post-mortem (mm) Percent_call_1 – total percent of the night spent calling the day of treatment Percent_call_2 - total percent of the night spent calling the day after treatment Survival – days survived following calling trials Dead – 1= cricket died prior to the end of calling trials, 0= cricket survived calling trials . is placed where the data is not available or not applicable