
Fig. 5. Ultrametric Bayesian inference (BI) tree based on the cytochrome c oxidase I (COI) nucleotide sequence data of the genus Ephemerella. Bayesian posterior probabilities (higher than 0.7) are given above tree nodes. Specimens obtained in this study are in bold. Samples from Kamchatka are highlighted in blue. Penelomax septentrionalis was used as outgroup. 16
