†Lithomyza Scudder 1877 (gall midge)
Insecta - Diptera - Cecidomyiidae
Full reference: S. H. Scudder. 1877. The First Discovered Traces of Fossil Insects in the American Tertiaries. Bulletin of the United States Geological and Geographical Survey of the Territories 3:741-762
Parent taxon: Cecidomyiidae according to S. H. Scudder 1890
Sister taxa: Cecidomyia, Cecidomyiinae, Colomyia, Cretomiastor, Dasineura, Lasioptera, Lasiopterinae, Lestremiinae, Meunieria, Mikiola, Monodicrana, Neostenoptera, Palaeospaniocera, Porricondylinae, Rubsaamenia, Winnertziola
Subtaxa: Lithomyza condita
Ecology: