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PREFACE. 
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During 1889 enquiries were sent me regarding about seventy 
(or upwards of seventy) kinds of insect attack, injurious for the 
most part to farm crops or stock, or to matters connected with 
farm produce. Of these the most destructive, perhaps, were the 
serious ravages of the Orchard Moth-caterpillars, in various of 
our chief fruit-growing counties, in the early summer. 
The following list, however, of injurious insects regarding 
which reference was made will show that most of our common 
kinds of farm pests were present. In some instances the loss 
caused was slight, but in some the attack was both prevalent and 
destructive in many localities, and the correspondence regarding 
it extended over many weeks. Requisite details will be found in 
the following pages, but I give here just a list of the more 
important of the attacks (under their common English names), 
as it is of some interest to be able to see at a glance the variety 
and number of farm-insect attacks calling for attention in an 
average year of infestation. 
Taking Corn pests first, attacks were reported of Frit Fly, 
Gout or Ribbon-footed Corn Fly, Hessian Fly, Saddle Fly, and 
Felworms. Wireworm and Daddy Longlegs grubs were as a 
matter of course present, but, as they are attendant upon Corn 
as well as many other crops, may be as well entered under this 
heading. 
Clover-stem sickness caused by Eelworms gave opportunity 
for first-rate contribution of methods of prevention and remedy; 
besides these, there were present Clover Weevils, Millepedes, and 
a kind of “Red Maggot,” which requires further investigation. 
Carrot Fly, Onion Fly, Bean Aphis and Bean Weevils, Hop 
Aphis, Mustard Beetles, and the great Potato-leafage feeding 
