Eutrichota affinis Stein, 1898
| Diptera. Reports on Californian and Nevadan Diptera, I C F Baker (1904) Invertebrata Pacifica 1: 17-39 | |
| An annotated list of the Diptera (Flies) of Oregon F R Cole and A L Lovett (1921) Proceedings of the California Acadademy of Sciences 11: 197-344 | |
| Notes on the Life History, Parasites and Inquiline Associates of Anthophora Abrupta Say, with Some Comparisons with the Habits of Certain Other Anthophorinae (Hymenoptera) Theodore H Frison (1922) Transactions of The American Entomological Society 48: 137-156 |