J. C.  Deeming, ?Some Diptera from Bardsey?, Bardsey Observatory Report, vol. 29, pp. 142-147, 1985.

L.  Papp, ?Flies (Diptera) developing in sheep droppings in Hungary?, Acta zoologica Academiae scientiarum hungaricae, vol. 31, pp. 367-379, 1985.