Sytphidae of Maine second report : life history studies /
Metcalf, C. L.
Sytphidae of Maine second report : life history studies / C. L. Metcalf - Orono, Maine : Agricultural Experiment Station - p. 153-176 + 5 láms. - Díptera; 5 .
Encuadernado con: Notes on american two-winged flies of the family sapromizidae/by J. R. Malloch
201758
Dípteros -- Colecciones de escritos Syrphidae -- Maine
PA-C 595.77 D5
Sytphidae of Maine second report : life history studies / C. L. Metcalf - Orono, Maine : Agricultural Experiment Station - p. 153-176 + 5 láms. - Díptera; 5 .
Encuadernado con: Notes on american two-winged flies of the family sapromizidae/by J. R. Malloch
201758
Dípteros -- Colecciones de escritos Syrphidae -- Maine
PA-C 595.77 D5