Hesperia ottoe, the Ottoe Skipper, can be found in WY,ND,SD,WY,NE,KS,O,MO,IA,MN,IL,MI,AR,OK, and TX.
Favorite nectar plant: Asclepias
USDA Growing Zones for this plant include: 3,4,5,6,7,8,9,10

Host plants:
Andropogon gerardii
Bouteloua curtipendula
Bouteloua gracilis
Bouteloua hirsuta
Bromus
Carex geyeri
Digitaria cognata
Panicum wilcoxianum
Schizachyrium scoparium scoparium
Sporobolus neglectus

PD image courtesy of
USGS