T.  Becker, ?Dipterologische Studien V.  Pipunculidae?, Berliner Entomologische Zeitschrift, vol. 42, pp. 25-100, 1897.

T.  Becker, ?Dipterologische Studien V. Pipunculidae. Erste Fortsetzung?, Berliner Entomologische Zeitschrift, vol. 45, pp. 215-252, 1900.