Record Display for the EPA National Library Catalog
RECORD NUMBER: 441 OF 2815Main Title | Biosystematic revision of the genus Stenonema (Ephemeroptera: Heptageniidae) / | |||||||||||
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Author | Bednarik, A. F., | |||||||||||
Other Authors |
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Publisher | Department of Fisheries and Oceans, | |||||||||||
Year Published | 1979 | |||||||||||
Report Number | 7289 | |||||||||||
OCLC Number | 06026421 | |||||||||||
ISBN | 0660104105; 9780660104102 | |||||||||||
Subjects | Stenonema ; Mayflies--North America ; Insects--Classification | |||||||||||
Additional Subjects | Stenonema ; Ephemeroptera--North America ; Insects--Classification | |||||||||||
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Collation | vi, 73 pages : illustrations, maps ; 25 cm. | |||||||||||
Notes | Includes bibliographical references (pages 49-51) and index. |
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Contents Notes | A revision of the genus Stenonema Traver, based on a study of variability in species range and the application of a biological definition of species. Characteristics and terminology are reviewed, systematic accounts and keys listed, evolutionary biology discussed for Stenonema mayflies in streams and rivers west and east of the Mississippi. |