Studies of Ephydrinae (Diptera : Ephydridae), V : the genera Cirrula Cresson and Dimecoenia Cresson in North America /
Mathis, Wayne N.
Studies of Ephydrinae (Diptera : Ephydridae), V : the genera Cirrula Cresson and Dimecoenia Cresson in North America / Wayne N. Mathis and Karl W. Simpson. - Washington : Smithsonian Institution Press, 1981. - III, 51 p. : ill. ; 26 cm. - Smithsonian Contributions to Zoology ; 329 .
Studies of Ephydrinae (Diptera : Ephydridae), V : the genera Cirrula Cresson and Dimecoenia Cresson in North America / Wayne N. Mathis and Karl W. Simpson. - Washington : Smithsonian Institution Press, 1981. - III, 51 p. : ill. ; 26 cm. - Smithsonian Contributions to Zoology ; 329 .