L. W.  Grensted, ?Records of Diptera and other insects from Dinas Head, Pembrokeshire?, Entomologist's Monthly Magazine, vol. 80, pp. 201-203, 1944.

L. W.  Grensted, ?Some records of Diptera in Anglesey, Derbyshire and Cheshire?, Entomologist's Monthly Magazine, vol. 85, p. 99, 1949.

L. W.  Grensted, ?A few Cumberland records of Hymenoptera and Diptera?, Entomologist's Monthly Magazine, vol. 88, p. 45, 1952.