Host-plant associations: Host is Muhlenbergia repens (Whitcomb et al. 1987a; Whitcomb & Hicks 1988a).

Range of collection dates: 16 June–5 September.

Elevation range (approximate): ‍4334–7000 feet (6 collections).

Sources of Distribution Data: Published accounts, internet resources, and specimens in the collections of the United States National Museum, and the University of Colorado Natural History Museum. Range of M. repens is modified from data presented by BONAP's North American Plant Atlas and the Manual of Grasses for North America web demo (now defunct) of Utah State University's Intermountain Herbarium.