MelanodexiaMelanodexia is a peculiar New World cluster fly genus of the western United States, formerly included in the family Calliphoridae.DescriptionLike the related genus Pollenia, Melanodexia has hairy parafacialia, and in females lateroclinate setae of the fronto-orbital plates.SpeciesMelanodexia californica Hall, 1948Melanodexia glabricula Melanodexia grandis Shannon, 1926 Melanodexia idahoensis Melanodexia nox Melanodexia satanica Shannon, 1926Melanodexia tristina Melanodexia tristis Williston, 1893