Some Mimetic Flies, With the Description of Two New Species From North America (Syrphidæ; Diptera)
Published in Psyche: A Journal of Entomology, in 1935, in volume 42, issue 2, pages 99-103
Date published:1935
Published in Psyche: A Journal of Entomology, in 1935, in volume 42, issue 2, pages 99-103
Date published:1935