Rafael 1992. Review of the Neotropical species of big-headed flies, genus Cephalosphaera (Diptera: Pipunculidae). Quintero, D.; Aiello, A.[Eds]. Insects of Panama and Mesoamerica: selected studies., Oxford University Press, Oxford, New York & Tokyo, 1992: i-xxii, 1-692. Chapter pagination: 633-646, 655, 665