Calliphoridae
Chrysomyinae
Chrysomyini
Cochliomyia hominivorax (Coquerel)  (10)(6, as Chrysomyia 
macellaria Fab.)(8, as Callitroga americana (C. & P.))
(eradicated)(4, last reports in 1975)
C. macellaria (Fab.)  (1,9)
Phormiini
Phormia regina (Meigen)  (1,9)
Calliphorinae
Luciliini
Lucilia coeruleiviridis Macquart  (2,9)
L. cuprina (Wiedemann)  (9)(? synonym of L. pallescens Shannon)
L. mexicana Macquart  (2,9)
L. silvarum (Meigen)  (3,7, as Bufolucilia)
Calliphorini
Calliphora coloradensis Hough  (2,9)
C. terraenovae Macquart  (2)
C. vicina Robineau - Desvoidy  (2,7,8)
Cynomya cadaverina Robineau - Desvoidy  (2,5)(8, as Cynomyopsis)
Polleniinae
Melanomyini
Melanomya flavescens (Reinhard)  (2)
 1. In OSU Collection - Det. D. G. Hall
 2. In OSU Collection - Determiner Unknown
 3. Reported in Diptera Catalog
 4. Reported by Arnold, 1975
 5. Reported by Barnes et al., 2009
 6. Reported by Bishopp et al., 1917
 7. Reported by Hall, 1947
 8. Reported by James, 1947
 9. Reported by Kondratieff et al., 2007
10. Reported by Young, 1963
6 genera - 12 species (1 eradicated)