Butterflies are medium sized. The wings above are usually brightly colored. Head with eyes covered with protruding hairs. The palps are also covered with hairs. Antennas with capitate mace. Fore wings with a curved outer edge, the edge of the hind wings rounded [1] .
The genus is isolated on the basis of differences in the structure of the copulative apparatus of males. The sternal part of the IX abdominal segment is simple without outgrowth (saccus). Valves with short denticles along the outer edge. Edeagus without an ostial keel with a straight or rounded apex [2] .
Euphydryas cynthia . Male
The Holarctic genus, including, according to various authors, 16–20 species [3] .
Euphydryas subgenus:
- Euphydryas phaeton (Drury, 1773)
Hypodryas subgenus:
- Euphydryas maturna (Linnaeus, 1758)
- Euphydryas intermedia = Euphydryas ichnea (Boisduval, 1833)
- Euphydryas cynthia (Schiffermüller, 1775)
- Euphydryas iduna (Dalman, 1816)
- Euphydryas gillettii (Barnes, 1897)
Occidryas subgenus:
- Euphydryas anicia (Doubleday, 1847)
- Euphydryas chalcedona (Doubleday, 1847)
- Euphydryas editha (Boisduval, 1852)
- Euphydryas editha bayensis
- Euphydryas editha quino
Eurodryas subgenus:
- Euphydryas aurinia (Rottemburg, 1775)
- Euphydryas provincialis (Boisduval, 1828)
- Euphydryas orientalis (Herrich-Schäffer, 1851)
- Euphydryas asiatica (Staudinger, 1881)
- Euphydryas sibirica (Staudinger, 1871)
- Euphydryas laeta (Cristoph, 1893)
- Euphydryas desfontainii (Godart, 1819)
