Key to the Mermiria of the Southeastern United States |
||
| 1 | Lateral pronotal carinae present and cut by two sulci; postocular bands and a dorsal central stripe are pinkish | |
| Lateral pronotal carinae absent, but with the edge of the pronotal disk cut by three sulci; postocular bands and dorsal stripe, if present, brown | 2 |
|
| 2 | Dorsum of body without central dark stripe; dorsal field of forewings dark along margins, and pale medially | |
| Dorsum of body with central dark stripe; dorsal field of forewings pale along margins, and dark medially; coastal | ||
