Polidori, C.; Tormos, J.; Asís, J.; Mendiola, P.; Andrietti, F. A Note on Facultative Kleptoparasitism in <i>Prionyx kirbii</I> (Hymenoptera: Sphecidae) As a Consequence of Multi-Specific Shared Nesting Site, With Description of Its Prepupa. Entomol. Fennica 2006, 17, 405–413.