Systematic and ecological study of nearctic hydrellia (Diptera : Ephydridae)
Deonier, D.L.
Systematic and ecological study of nearctic hydrellia (Diptera : Ephydridae) - Washington 1971 - 147 p. - No. 68; Smithsonian Contributi .
Systematic and ecological study of nearctic hydrellia (Diptera : Ephydridae) - Washington 1971 - 147 p. - No. 68; Smithsonian Contributi .