32 THE REPORT OF THE ' No 10 



Pka Crops. 



Pea-Weevil. Judging from the returns of the Bureau of Industries the farmers of the 

 Province took the timely warning and are giving up to some extent at least the growmg of 

 peas, and substituting other crops, in some cases Grass Peas, in others Emmei", and so on. 

 This was the advice given in the bulletm issued by the Department of Agriculture, Toronto, 

 early in the year. It was felt that although fumigation with carbon bisulphide was a good 

 remedy, but few of the farmers would take the trouble to fumigate their pea's im media ely 

 after harvest. In some sections the growing of peas has been discontinued entirely, and it will 

 not be long before their growing can be resumed. In the newer sections where pea gr wing is 

 still a profitable industry the fumigation treatment is highly recommended, but in the older 

 sections where the crop has been a failuce for the past few years it is as strongly recommended 

 that the growing of peas be given up entire'y for two years at least. This summer I had an 

 opportunity to make a few observations regarding the deposition of the eggs of the pea weevil. 

 They are, as you probably know, spindle-sLaped and of a golden color, and are deposited on 

 the outside of the pod. It is the gentral impression that the eggs are deposited in the pods 

 while the pods are very small, in fact when the > lussoms are stiil to be found I found this 

 season fresh eggs deposited on pods two and three inches long and the peas within afterwards 

 became thoroughly weevily. It is my strong impression that the beetle continues to lay eggs 

 for a longer period than is suspected, and that is the reason why the late crops sutler almost as 

 much as the early crops. 



Root Crops. 

 Bed Leaf Miner. Up to date of writing the root crops have been singularly free from 

 injurious insects. The introduction of large areas of sugar beets has brought into prominence 

 the pest which may give considerable trouble in future years. This ife the Beet Leaf Miner 

 {Perjomya vicii.a). About the 20th June the sugar beets in many sections were badly infested 

 with this leaf-miner and the indication at that time pointed to considerable loss of the beet 

 crop. Strangely, however, the damage did not prove to be very serious, and but little com- 

 plaint was heard in later months. The adult of these leaf-miners is a two winged fly. This 

 pest is not a new one for we have been made acquainted with its habits through the writings of 

 the entomologists of the United States. According to their observations the eggs are placed 

 on the under side of the leaf, usually singly, and the maggot enters the leaf immediately on 

 hatching. There may be many broods during the season. When the maggot becomes full 

 grown it leaves the leaf and changes to pupa either on the leaf or in the surface of the ground. 

 It is probable that it hibernates as puppe from which the flies emerge in Ajjril or May. It hjis 

 been observed that it is preyed upon by a bug which often keeps it in check. In spite of all 

 that has been done no successful attempt his been made to destroy the pest. The following 

 methods have suggested themselves and have been tried with but partial success ; first, deep 

 plowing, and rolling the infested fields in the fall to bury the pupa deep so that the flies cannot 

 emerge ; and weeds of the species of Lamb's Quarters should be destroyed ia as much as the 

 insect also feeds on this plant. Where these weeds are abundant the pest is also likely to 

 spread to the beets. 



Okchard Insects. 

 Codling Moth. Recent observations lead me to think that the Codling worm was quite 

 destructive this summer. The eflects of the first brood were not very evident, but those of 

 the second are becoming quite in evidence. As in previous years there is no better method 

 of dealing with this pest than to spray thoroughly with Bordeaux Mixture and Paris Green and 

 to bandage the trees with burlap before the s cond week in June and to examine the bandages 

 every two weeks during July and August for cocoons <f Codling Moth. 



