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Temporal distribution of pupation in F1 generation of hybrids of E. grisescens and E. obliqua. (A) E. grisescens♀ × E. grisescens♂; (B) E. obliqua♀ × E. obliqua♂; (C) E. grisescens♀ × E. obliqua♂; (D) E. grisescens♂ × E. obliqua♀. Error bars represent standard error of the means.
