On the North American Asilidae (Dasypogoninae, Laphrinae), with a new genus of Syrphidae
By: by S.W. Williston.
Contributors: American Entomological Society.
Publisher: s.n.
Published: 1984
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 23
Subjects: Diptera -- North America.; Flies.
Other titles: Transactions of the American Ethnological Society.
Notes: Caption title.

Excerpt from Transactions of the American Entomological Society, vol 11, December 1883.

Includes bibliographical references.

Filmed from a copy of the original publication held by the Entomology Research Library, Agriculture Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1984.

p. 53-76 : ill.