The macroinvertibrate fauna of two streams of the eastern slope of the Sierra Nevada. (1975)author(s): Siegfried, C. A. & Knight, A. W. description: The macroinvertibrate fauna of two streams of the eastern slope of the Sierra Nevada. region: Sagehen Reserve # species: 2 Class: Insecta Order: Ephemeroptera Family: Baetidae Family Baetidae Family: Leptohyphidae Family Leptohyphidae