The forms of the nymphal tibial spur in Megamelus davisi Van Duzee, and their relation to Muir's classification of delphacid subfamilies and tribes, are discussed.
Wilson, S. W. and McPherson, J. E.
"Ontogeny of the Tibial Spur in Megamelus Davisi (Homoptera: Delphacidae) and its Bearing on Delphacid Classification,"
The Great Lakes Entomologist, vol 14
Available at: https://scholar.valpo.edu/tgle/vol14/iss1/7