The average lifespan (days) ± SE of male Mexican fruit flies,
Anastrepha ludens provided full diet (3:1 sugar to protein
derived yeast) at eclosion (always), or at age 21 days (delayed), prior to which
only sugar was provided, when females were provided beginning at eclosion
(always), or beginning at age 21 days (delayed). Averages with different letters
represent significant differences (P < 0.05) among
treatments, as determined through a linear regression and subsequent
t-tests.