| Thymelicus lineola (Ochsenheimer, 1808) |
| Status: Very rare stray |
| Flight Period(s): One mid-summer flight primarily in July |
| Range: Northeastern United States north to southern Quebec and Ontario, south to Virginia and west to Wisconsin and western Iowa. There is one record in Nebraska from Polk county. |
| Larval Hostplant(s): Grasses are recorded, especially timothy grass (Phleum pratense) |
| Overwinter: As eggs |
| Commentary/Habitat: The only record for Nebraska comes from a specimen in the Smithsonian collection. |
| Similar Species: None |