|A revision of the North American flies belonging to the genus Rhaphiomidas (Diptera: Apioceridae)|
|Bulletin of the American Museum of Natural History|
|key, Mydidae, Nearctic, Rhaphiomidas, Rhaphiomidinae|
The present revision covers all known species of flies belonging to the genus Rhaphiomidas from the United States and Mexico. Keys to identify both males and females (when known) are presented as are formal descriptions of nine new species, Rhaphiomidas auratus, forficatus, hasbroucki, hirsuticaudus, nigricaudis, socorroae, spinicaudus, tarsalis, undulatus, two new subspecies, xanthos vittatus, episcopus michelbacheri and 12 previously described species for a total of 23 taxa. Included are seven distributional maps of all the species and subspecies, three figures showing typical habitats, one figure showing labeled structures and 10 figures ofabdominal maculation patterns.