Heringia pisticoides Williston, 1887
| Papers from the Harriman Alaska expedition. 9. Entomological results (3): Diptera D W Coquillett (1900) Proceedings of the Washington Academy of Sciences 2: 389-464 | |
| Diptera. Reports on Californian and Nevadan Diptera, I C F Baker (1904) Invertebrata Pacifica 1: 17-39 | |
| A Preliminary List of Nebraska Syrphidæ with Descriptions of New Species Paul R Jones (1907) Journal of The New York Entomological Society 15: 87-100 | |
| Contributions towards a catalogue of the insects of Kansas E S Tucker (1907) Transactions of the Kansas Academy of Sciences 20: 190-201 | |
| British Columbia Syrphidae, new species and additions to the list (1908) Canadian Entomologist 40: 1-14 | |
| Revision of the Pipiza group of the family Syrphidae (flower-flies) from north of Mexico C Howard Curran (1921) Proceedings of the California Academy of Sciences 11: 345-393 |