Relationships of certain genera of fungus gnats of the family Mycetophilidae, by F. R. Shaw and M. M. Shaw. (Smithsonian miscellaneous collections, v. 117, no. 3)
Relationships of certain genera of fungus gnats of the family Mycetophilidae, by F. R. Shaw and M. M. Shaw.
(Smithsonian miscellaneous collections, v. 117, no. 3)