176 EXPERIME'NTAL FARMS 



5-6 EDWARD VII., A. 1906 



not as numerous as in 1900, nor, as far as I can make out, so widely distributed. It ia 

 sufficiently bad, however, to induce me to send out the emergency bulletin, of which I 

 send you a copy. It is remarkable how soon people forget what has been told them, 

 and I have constant applications for information as to the best remedy. I am again 

 recommending the Paris green and bran which did such excellent work in the last 

 outbreak.' 



Mr. T. N. Willing, of Regina, N.W.T., in reporting on the injurious insects of the 

 year, states that the larviE of this moth were very abundant during August at Regina, 

 and he sent several of the moths, which he had reared from caterpillars in gardens at 

 Regina. 



The comparative abundance of the species in British Columbia should be turned 

 to advantage by gardeners in that province to prepare themselves before next season 

 with materials for poisoning the caterpillars, should they appear again in numbers 

 next summer. If this is done there should be no great loss. 



The Turnip akd Cabbage Aphis (Aphis hrassicce, L.). — Reports relating to the 

 Turnip Aphis from our own correspondents during the past summer were very few; 

 but it is stated by Prof. James in his November Crop Bulletin as follows : — ' The 

 aphis popularly known as the turnip louse appeared in greater force (in Ontario) 

 than for years and hindered the development of the bulbs, which several correspondents 

 describe as being ratlier small and rooty. The cabbage worm or an insect resembling 

 it also attacks the plant in different parts of the province. Favourable reports regard- 

 ing the crop were rare.' 



' Manilla, Ont., Dec. 1. — I started on an institute trip at Shelburne, Grey county, 

 Ont., and came south and east. We heard great complaints about the Turnip Aphis 

 destroying the turnip crop west of Toronto, but not much damage appeared to have 

 been done east of that city. The early sown fields suffered most, and, so far as I could 

 learn, those fields that were sown after June 20 appeared to be almost free from aphis. 

 I have made it a point to sow my turnips for many years past from June 20 to 22, and 

 we have never had any serious trouble with the aphis. Sometimes we could find a few 

 plants in a place with some on, but not enough to injure even those to any great 

 extent.' — Hy. Glendixning. 



There were also restricted but very serious outbreaks in some parts of British 

 Columbia. 



' St. Mary's Creek, Gang Ranch, B.C., June 12. — Kindly give me a cure for the 

 lice that settle on cabbages and turnips, completely destroying them. They accumulate 

 by millions. Last season was our first experience. They completely destroyed our 

 whole cabbage plot. I have been in this country 47 years but I never saw them before.' 

 — W. W. Wycott. 



' Monte Creek, B.C., Aug. 16. — I send you a few leaves of Swede turnips covered 

 with a pest which has spread terribly quickly and is now going from the turnips to 

 the cabbages. Last year we had some of these, but they were not nearly as bad. It 

 would seem as if the very hot weather and scarcity of water for irrigating is favourable 

 to their increase.' — Hewitt Bostock. 



' Cash Creek, B.C., Sept. 23. — I send specimens of a pest which destroyed my 

 turnip crop last year and threatens them again this. Kindly give me the name and 

 some remedy if you know one. If there is none, we must give up trying to grow 

 turnips.' — C. A. Semlin. 



Reports of injury by this insect to rape came from Mr. George Wright, of Elora, 

 Ont., and from Ottawa. Dr. Hamilton, of Mahone Baj^ N.S., writes of its injuries 

 in his locality as follows : — 



' The turnip aphis was abnormally abundant this year, specially on cabbage. I 

 heard of patches in which nearly every plant was ajffected. We have these insects in 

 some numbers every year, but it is only at intervals and in special localities that the 

 damage is very severe. Perhaps to this is due the fact that hardly anybody here seems 



