American two-winged flies of the genus Microphthalma Macquart, with notes on related forms
By: by J.M. Aldrich.
Contributors: United States National Museum.
Series: Proceedings of the United States National Museum -- 2639
Publisher: U.S. Government Printing Office
Published: 1926
Place of publication: Washington, DC
Language: eng
Subjects: Microphthalmus.
Notes: 1