4 literature references for Hydrophorus ochrifacies Van Duzee, 1930:

Author: Spuler, A.
Year: 1925
Title:
Source: Studies in North American Borboridae (Diptera). Can. Ent. 57: 99-104 [1925.??.??], 116-124, 1 pl. [1925.??.??]
Author: Steyskal, G. C.
Year: 1949
Title:
Source: A new anomalous acalyptrate fly (Diptera). Bull. Brooklyn Ent. Soc. 44: 134-137, 1 pl. [1949.10.24]
Author: Paramonov, S.J.
Year: 1958
Title:
Source: Notes on Australian Diptera (XXV). On some new ortalids (Acalyptrata). Ann. Mag. Nat. Hist. (12) 10: 779-781. [1958.02.07]
Author: Osten Sacken, C. R.
Year: 1894
Title:
Source: Three trochobolae, from New-Zealand and Tasmania. Berl. Ent. Z. 39: 264-266. [1894.10.15]