External Morphology of Four Species of Microdon Immatures (Diptera: Syrphidae) from the Pacific Northwest

Author: GARNETT WILLIAM B.   AKRE ROGER D.   ZACK RICHARD S.  

Publisher: Entomological Society of America

ISSN: 1938-2901

Source: Annals of the Entomological Society of America, Vol.83, Iss.1, 1990-01, pp. : 68-80

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Abstract