J. - H.  Stuke, ?Die artenarmen Familien der acalyptraten Zweifluegler in Niedersachsen und Bremen (Diptera: Acalyptratae). [The species-poor families of the acalyptrate flies in Lower Saxony and Bremen (Diptera: Acalyptratae).]?, Drosera, vol. 1-2 (2008), pp. 77-106, 2009.