Hull, Frank M. (Frank Montgomery), 1901-2005-10-062005-10-061954http://hdl.handle.net/2246/241728 p. : ill. ; 24 cm.Includes bibliographical references.3046229 bytesapplication/pdfen-USQL1 .A436 no.1652, 1954MixogasterSyrphidae -- AmericaInsects -- AmericaThe genus Mixogaster (Diptera, Syrphidae). American Museum novitates ; no. 1652text