A first breeding record for Sarcophaga (Bulbostyla) cadyi Giroux & Wheeler on the American giant millipede Narceus americanus (de Beauvois) (Spirobolida, Spirobolidae) is reported. Digital photographs of the terminalia of S. (B.) cadyi and of Sarcophaga (Bulbostyla) yorkii Parker are also provided.
Keywords: Spirobolidae; Nearctic Region; feeding behaviour; flies; host; millipedes.
Pierre-Marc Brousseau, Marjolaine Giroux, I. Tanya Handa.