''Hydraecia medialis'' is a moth in the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

. It is found in western

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

. East of the Cascades, it occurs as far north as the Cariboo region in south-central British Columbia. The range extends across the Rocky Mountains in Montana and then spreads north and south on the Great Plains to reach Alberta, the western

Dakotas The Dakotas is a collective term for the U.S. states of North Dakota and South Dakota. It has been used historically to describe the Dakota Territory, and is still used for the collective heritage, culture, geography, fauna, sociology, econom ...

and northern New Mexico. The habitat consists of open ponderosa pine forests, drier sagebrush steppe and juniper woodlands. The length of the forewings is 16–24 mm. Adults are pale gray-tan with a darker, often reddish, median area, a thick red-brown or brown and white postmedial line, and pale-filled spots. The hindwings are pale yellow-tan with variable gray suffusion. Adults are on wing from mid August to September. The larvae probably bore into the stems and roots of '' Lupinus'' species.Pacific Northwest Moths
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References

Moths described in 1892 Apameini Moths of North America {{Hadeninae-stub