| Euphilotes ancilla (Barnes & McDunnough, 1918) |
| Status: Rare to uncommon local resident. It is probably under reported due to its small size, habitat, and similarity to other blues. |
| Flight Period(s): One spring flight. In Nebraska there are recoreds from 4 – 21 June. It has been found in Wyoming from late April to July (Marrone, 2002). |
| Range: The Dotted-Blue occupies much of the mountain west and high plains from the Canadian border south into Arizona. It extends east into western South Dakota and Nebraska. In Nebraska it has been reported in the panhandle as far east as the rocky scarps along the Niobrara River in Dawes and Box Butte Counties. |
| Larval Hostplant(s): Yellow Wild Buckwheat (Eriogonum flavum) |
| Overwinter: As pupae |
| Commentary/Habitat: In Nebraska this butterfly inhabits rocky hillsides in close association with its hostplant. Adults live less than a week, and are said to frequent the flowers of their hosplant and mud. |
| Similar Species: Rita, Melissa and Acmon Blues. |
