Syrphidae of Maine /
Metcalf, C. L.
Syrphidae of Maine / C. L. Metcalf - Orono, Maine : Agricultural Experiment Station - p. 192-264 + láms. - Díptera; 5 .
Encuadernado con: Notes on american two-winged flies of the family sapromyzidae/by Malloch
201760
Dípteros Syrphidae -- Maine
PA-C 595.77 D5
Syrphidae of Maine / C. L. Metcalf - Orono, Maine : Agricultural Experiment Station - p. 192-264 + láms. - Díptera; 5 .
Encuadernado con: Notes on american two-winged flies of the family sapromyzidae/by Malloch
201760
Dípteros Syrphidae -- Maine
PA-C 595.77 D5