Knowlton, G. F.

Notes on Utah syrphidae / by G. F. Knowlton and H. J. Pack -

Sobretiro de Pan-Pacific entomologist 6 (4): 182-189, 1930. Encuadernado con: Notes on american two-winged flies of the family sapromyzidae/by J. R. Malloch 74-61

201759


Dípteros Syrphidae--Utah

PA-C 595.77 D5