CuREANT Leaf-Spot (Sepforia ribis).- — This disease attacks the various kinds 

 of currants and gooseberries, and seems to be quite common throughout the Pro- 

 vince. As it, like the one inentioned above, causes spots on the leaves and when 

 very severe in its attack causes them to turn a sickly yellow color and drop, much 

 after the manner of the Anthracnose, it is very easy to confuse the two diseases. 

 A microscopic examination, however, shows that the spores are very different in 

 appearance. Moreover the spots caused by Anthracnose are, as a rule, brown 

 throughout, while those caused by the Leaf-spot have usually white or grayish-white 

 centres and brown borders. 



Means of Control. — Some tests with lime-sulphur made by the writer show that 

 the disease can be prevented by spraying. For best results at least four applications 

 should be given. The first before the buds burst, using lime-sulphur specific gravity 

 strength 1.030 (commercial 1 gallon diluted to 9 or 10) ; the second just before 



Fig. 19. — Currant Leaf-spot. (Original.) 



the blossoms appear, specific gravity 1.010 (commercial diluted 1 gallon to 30) ; 

 the third soon after the fruit is set, specific gravity 1.009 (commercial 1 gallon to 

 33 to 35) ; and the fourth as soon as possible after the fruit is picked, using a 

 slightly more diluted strength. Bordeaux mixture instead of lime-sulphur has also 

 been used satisfactorilv to control the disease. 



THE CHIEF IXSECT PESTS OF CUREAXTS AND GOOSEBEEPIES. 



L. Caesar, Provincial Entomologist. 

 The Imported Currant Worm or Currant Sawfly (Pteromis rihesii). — The 

 most common and destructive insect attacking both currants and gooseberries in 

 Ontario is the Imported Currant Worm or, as it is commonly called, the Currant 

 Sawfly. The larvse are greenish caterpillars almost three-quarters of an inch long 

 when full grown and with black heads and many black spots over the body. The 

 adults are four-winged insects known as Sawflies. The female is about the size 

 of a house fly and has a black head a]ul conspicuous honey-colored body: the male 

 is smaller and blackish. Adults appear soon after the leaves come out and lay eggs 



