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Average number of laid eggs and associated standard error for crosses involving D. virilis females and either D. a. texana (te) or D. lummei (lu) males (a). Average proportion of hatched eggs and associated standard error for crosses involving D. virilis females and either D. a. texana (te) or D. lummei (lu) males (b). Other labels are as in Figures 1 and 2.
