129 



Caesar (L.). Notes on the Season's Spraying. — Forti/-sev3nth Ann. 



Rept. Fruit Growers'' Assoc. Ontirio, 1915, Toronto, 1916, p. 67. 



[Received 6tli January 1917.] 

 From results obtained the advocacy of spraying has been justified 

 in every respect. In an orchard badly infested with San Jose scale 

 \Aspidiotus perniciosus], in which a large number of the trees were 

 thirty years old and would not have been saved if they had not been 

 sprayed that year, three mixtures were used, viz : — Lime-sulphur, one 

 gal. to seven gals, of water ; soluble sulphur, 12| lb. to 40 gals, of 

 water ; scalecide at the strength recommended by the manufacturers. 

 Eight gallons were used for each tree, with satisfactory results in each 

 case, the cost being about the same. 



Treherne (R. C). Insects affecting Agriculturists in B.C. during the 

 past Year. — Agric. Jl., Victoria, B.C., i, no. 10, December 1916, 

 p. 168. 

 Otiorrhynchus ovatus (strawberry-root weevil) continues to trouble 

 those interested in the small fruit industry on the coast. To a 

 great extent the problem of control is passing out of the hands of the 

 entomologist into those of the horticulturist. The control of the pear 

 thrips, Taeniothrips inconsequens (pyri), on the Saanich Peninsula has 

 been investigated [see this Review, Ser. A, v, p. 70]. The black currant 

 mite {Eriopliyes rihis) was dealt with by the Provincial officers during 

 the past year and many infested bushes destroyed. The western 

 ten-lined June beetle {Polyphylla decemlineata) and the western 

 strawberry crown-borer (Aristotelia sp.) were recorded on many 

 occasions as destructive to the roots and crowns of strawberry plants. 

 The control of these insects rests on the reduction of the number of 

 years the plants are retained for bearing on the same area. The beet 

 or mangold-root aphis was very destructive at certain points on 

 Vancouver Island this year. This insect is believed to be Pemphigus 

 hetae, and if so, is recorded for the first time in the Province. A report 

 that requires confirmation notes the presence of the cherry fruit fly 

 {Rhagolelis ctngulafa] on the island. In greenhouses, chrysanthemums 

 were attacked by thrips, leaf -miners, the tarnished plant bug [Lygus 

 pratensis], and a midge {Diarihronomyia hypogaea), this last being 

 recorded for the first time in the Province. Orchids were attacked by 

 the cattleya fly {lososonm orchidearum). Otiorrhynchus sulcatus was 

 destructive to potted plants, especially cyclamens and primulas. 

 A spring-tail {Lipura sp.) was again reported as appearing in myriads 

 in greenhouse soil. The control of many hothouse pests, especially the 

 last-named, may be effected by sterilisation. The situation respecting 

 the codling moth {Cijdia pomonella) is the most serious insect problem 

 occurring at present in the Province. Efforts have been made by the 

 Provincial Department of Agriculture at Okanagan Landing and 

 Westbank to reduce the degree of infestation, and equipment has been 

 installed at Vernon for the study of this pest under local conditions. 

 The woolly aphis {Eriosoma lanigerum) and the bud-moth {Eticosma 

 {Tmetocerd) ocellana) have made serious advances as destructive pests. 

 The lesser apple-worm (Enartnonia 2>runivora) also appears to have 

 increased in the Okanagan Valley. A uniform and systematic practice 

 of spraying will hold these insects in check. The peach twig-borer 

 {Anarsia lineatella) is the most important insect pest of the peaches at 



