Online at AMNH
"A catalog of the American species of Dolichopodidae north of Mexico is provided. Fifty-five valid genera and 1288 valid species and 3 subspecies in 14 subfamilies are listed. [...] For each genus, the species list is preceded by notes on its distribution, biology, and ecology as well as a list of pertinent keys and revisions, when such information is available. For each valid species name, the list includes the author, year of publication, page number of original description, type depository and locality, and distribution in North America by state or province and occurrence in other realms, as well as taxonomic notes wherever applicable. Additional distribution records from the literature have been added. [...] Statistics and comments on the history of North American dolichopodid research are presented. The diversity and distribution of Nearctic Dolichopodidae and their relationships with the fauna of other realms is tabulated and discussed."
The checklist of species is updated online.(1)