Rhizedra lutosa (Noctuidae) and Argyrotaenia cockerellana (Tortricidae
), are reported from Michigan for the first time, from remnant patches
of mesic lakeplain prairie in Sumpter Township, Wayne Co. Rhizedra lu
tosa is a Eurasian species that is rapidly establishing populations ac
ross the United States. Argyrotaenia cockerellana is primarily known f
rom the western United States, with eastern records from Nebraska and
Ontario, Canada.