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  Calephelis borealis Northern Metalmark

Nearly twice as large as virginiensis (1 to 1 1/4 inches); more northerly species (compare distribution maps in the species accounts).

 Calephelis virginiensis Little Metalmark

Nearly half the size of borealis (1/2 to 1 inch); more southerly species (compare distribution maps in the species accounts).

 Calephelis mutica Swamp Metalmark

Northern distribution south to Arkansas; forewing pointed, not rounded as in borealis.

 Calephelis nemesis Fatal Metalmark

Forewing above with a dark median band; generally smaller than rawsoni (3/4 to 1 inch) (best seen in mixed series of the two). Very difficult to separate from rawsoni.

 Calephelis nilus Rounded Metalmark

Apex of forewing rounded, not pointed.

 Calephelis rawsoni Rawson's Metalmark

Forewing above without a dark median band or a weak median band; relatively larger than nemesis (34 - 1 1/8 inches)(best seen in mixed series of the two). Very difficult to separate from nemesis.

 Calephelis wrighti Wright's Metalmark

Forewing pointed and outer margin sinuate; occurs in southern California and western Arizona.

 Emesis ares Ares Metalmark

Forewing without a darker area between the discal dot and the postmedial line; orange in hindwing limited to the costal margin of the wing

 Emesis zela Zela Metalmark

Forewing with a darker area between the discal dot and the postmedial line; orange in hindwing more diffuse, not limited to the costal margin of the wing.