. Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy . y disinfecting sacks, or bags, used in transmission of flour to and fro from mills, warehouses, bakeries, &c. This in itself would greatly lessen infestation. Fourthly, cleanliness, as it is described; frequent washing of walls and every possible surface with whitewash, mixed with paraffin, carbolic acid, or any ordinary insect deterrent. All these would help, and, while I trust that I have verified all the points suggested so carefully that I may not be thoug
. Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy . y disinfecting sacks, or bags, used in transmission of flour to and fro from mills, warehouses, bakeries, &c. This in itself would greatly lessen infestation. Fourthly, cleanliness, as it is described; frequent washing of walls and every possible surface with whitewash, mixed with paraffin, carbolic acid, or any ordinary insect deterrent. All these would help, and, while I trust that I have verified all the points suggested so carefully that I may not be thought presumptuous in bringing them forward for consideration, I should like to add that I should be truly grateful for any corrections or additions which I might be kindly favoured with, to help me to be of greater assistance in the severe cases of infestation, in which, under promise of business confidence, my suggestions are applied for; or (if desired) for preparing a leaflet for gratuitous distribution. PEAR. Pear Gnat Midge. Diphsis pyrivora, Riley; Cecidnmyia nigra?,Meigen and Schmidberger; C. pyricoia ?, DiPLOsis PYRIVORA.—Female, magnified; lines showing natural size. Larva andpupa, magnified. Abortive Pear. Gnat and pupa, after Prof. Riley. It will be well in the remembrance of many Pear growers, that inthe year 1898 the attack of the maggots of the Pear Gnat Midge wasmore prevalent (especially in the midlands and more southerly partof England) and more seriously injurious to the young forming Pearsthan in any year since 1883, when the attack was first entomologicallyrecorded as present, although not to any serious amount in this country. In the following year, that which is just past—namely, 1899— 1899] PEAR GNAT MIDGE. 93 scarcely any enquiries were sent me regarding the infestation, andit would not have been worth while to enter on the subject againexcepting that from this very circumstance (of ?to»-observation), itappeared of serviceable interest
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Keywords: ., bookauthorormerode, bookcentury1800, bookdecade1880, bookyear1884
