Table 1.
Summary of number of individuals per species sequenced for a given gene.
| Number of individuals sequenced | ||||||
| Species | COI | ND1 | wingless | EF1-α | GAPDH | RpS5 |
| Outgroup taxa | ||||||
| Aglais io | 1 | 1 | 1 | 1 | 1 | 1 |
| Aglais milberti | 1 | 1 | 1 | 1 | 1 | 1 |
| Aglais urticae | 1 | 1 | 1 | 1 | 1 | 1 |
| Nymphalis antiopa | 1 | 1 | 1 | 1 | 1 | 1 |
| Nymphalis californica | 1 | 1 | 1 | 1 | 1 | 1 |
| Nymphalis l-album | 1 | 1 | 1 | 1 | 1 | 1 |
| Nymphalis polychloros | 1 | 1 | 1 | 1 | 1 | 1 |
| Nymphalis xanthomelas | 1 | 1 | 1 | 1 | 1 | 1 |
| Ingroup taxa | ||||||
| Kaniska canace | 3 | 1 | 2 | 2 | 2 | 2 |
| Polygonia c-album | 4 | 1 | 3 | 4 | 2 | 2 |
| Polygonia interposita | 1 | 0 | 1 | 1 | 1 | 1 |
| Polygonia c-aureum | 3 | 1 | 3 | 2 | 2 | 2 |
| Polygonia comma | 3 | 1 | 3 | 1 | 2 | 1 |
| Polygonia egea | 3 | 1 | 2 | 3 | 2 | 2 |
| Polygonia undina | 4 | 0 | 3 | 1 | 1 | 2 |
| Polygonia faunus | 5 | 1 | 4 | 4 | 4 | 4 |
| Polygonia g-argenteum | 1 | 0 | 1 | 1 | 1 | 1 |
| Polygonia gigantea | 1 | 0 | 1 | 1 | 1 | 1 |
| Polygonia gracilis | 3 | 1 | 2 | 1 | 2 | 2 |
| Polygonia zephyrus | 24 | 1 | 8 | 6 | 8 | 8 |
| Polygonia haroldii | 2 | 1 | 2 | 2 | 2 | 2 |
| Polygonia interrogationis | 3 | 1 | 2 | 1 | 1 | 1 |
| Polygonia oreas | 5 | 1 | 4 | 4 | 4 | 4 |
| Polygonia progne | 14 | 1 | 2 | 3 | 2 | 2 |
| Polygonia satyrus | 17 | 1 | 4 | 4 | 4 | 1 |
See Additional File 1 for details of individuals, including collection locality and GenBank accession numbers.