Warren G. Abrahamson, N. Dorchin and E.R. Scott. "First record of Macrolabis (Diptera: Cecidomyiidae) in America: a new inquiline species from Dasineura folliculi galls on goldenrods" Annals of the Entomological Society of America Vol. 99 (2006)
Available at: http://works.bepress.com/warren_abrahamson/26/