1. On forewing on upper side apical white oblique stroke (a remnant of the submarginal line) does not touch postmedial line, if (rarely) touches, it is reaches vein M2; on underside postmedial line vein M2 is straight. On hindwing on upper side submarginal line is almost smooth or slightly wavy, on underside—smooth................................... E. testata (Fig. 36).
- On forewing on upper side apical white oblique stroke is merged with the postmedial line at vein M1; on underside postmedial line before vein M2 is arched inward. On the hindwing on upper and under sides the submarginal line is distinctly toothed on veins M3-Cu2.................................................................... E. achatinellaria (Fig. 35).