Macrorrhinia parvulella is a species of snout moth in the genus Macrorrhinia. It was described by Barnes and McDunnough in 1913, and is known from Florida and South Carolina in the U.S.A. It is also found in Colombia. The wingspan is 9–12 mm. There are dark markings on the forewings, as well as a rather broad whitish band along the costa. The hindwings are pale to dark smoky fuscous. The larvae feed on Achyranthus ramosissima.