REPORT OF THE SOCIETY 37 



pillar is about one and one-quarter inches long, pale green in colour, with 

 whitish stripes. It loops its body when walking. (See Fig. 3, page 33). 



Remedies. — Spray with Paris green or arsenate of lead as recommended 

 for the Cabbage Butterfly. 



The Purple-backed Cabbage Worm, Evergestis straminalis Hbn. 



In the Maritime Provinces this insect has been responsible for important 

 injury to the foliage of cabbages and turnips. In Quebec province the 

 caterpillar has, also, been observed in small numbers during certain seasons. 

 It is of a purplish colour, about three-quarters of an inch long when full- 

 grown; the body bears conspicuous bristles and on either side is a yellow 

 stripe. 



Remedies. — Dust the plants with insect powder and flour, or spray with 

 an arsenite as recommended for the Cabbage Butterfly. 



Blister Beetles 



There are a few kinds of blister beetles which almost every year cause 

 considerable anxiety to farmers and gardeners from their habit of appearing 

 suddenly, in large numbers, and feeding on potatoes, beans, beets, cabbages, 

 carrots, corn, tomatoes and other vegetables, and ornamental plants, such 

 as aster, clematis, zinnia, chrysanthemum, etc. In eastern Canada the' 

 Black Blister Beetle, Epicauta pennsylvanica DeC, the Ash-gray Blister 



The Ash-gray Blister Beetle, Macrohasis unicolor Kirby. (Original). 



