1. The following list gives particulars of those references indicated in the text by quotation of the author's name and date of publication only; where a full reference is given in the text it is not included here. References to unpublished notes contained in the Reports from Hon. Correspondents of the Board of Agriculture are indicated in the text by the Correspondent's name and date of report, and include the names of Messrs G. Ramsey Bland of Oxford, F. R. Petherbridge of Cambridge, A. Roebuck of Newport, Salop, and F. V. Theobald of Wye.
2. Aukrivillius(1892 )Ent. Tids., 209 -224 .
3. Bahanov(1912 )Materials for Study of Injurious Insects of Government of Moscow during, 1912 . Moscow, 1912.
4. Bahanov(1914 )Ibid., Moscow, 1914.
5. Carpenter(1909 ) Injurious insects in Ireland during 1909, p.8 .(Econ. Proc. R. Dublin Soc.).