Notes on Saproglyphidae hypopi (Acarina: Sarcoptiformes). II. Genera redefined
Fain, A.  Notes on Hypopi living in phoretic association on French fleas (Acarina: Sarcoptiformes)
Beaucournu, J.C.  Observations on Hemisarcoptes coccophagus Meyer (Astigmata: Hemisarcoptidae), with a new synonym
Gerson, U.