12S THE CANADIAN ENTOMOLOGIST. 



The amount of damage done by this insect in my own case was not great, 

 their numbers were not sufficient to cause much alarm, but when they are- 

 very numerous, one can easily imagine, that their destructive powers would 

 be very considerable, for besides consuming the foliage, their pernicious habit 

 of gnawing away all the young bark from and about the spot to which the 

 case is attached, would in all probability, lead sometimes to the girdling of 

 the young branches, and their consequent death. The little bunch of dead 

 and dried leaves around their cases, gives a ready means of detecting the 

 presence of these little rascals, and no better remedy for them than hunting 

 them up, and crushing the case with the hand, has yet been suggested. 



From the Grape, Cidaria dlversilineata. 



Just as the grape blossoms were fully open, and while pinching in the 

 rapidly growing branches of a seedling vine, a blossom bunch attracted 

 attention by its unusual appearane. A closer inspection showed that parts 

 of the bunch had been eaten away, and the remaining portions drawn together 

 by light silken threads, and within the enclosure was a dull brown caterpillar, 

 with its body much contracted, and just ready to assume the chrysalis state. 

 The bunch was removed from the vine and enclosed in a small box, when in 

 a day or two the change of form took place. The chrysalis was six-tenths of 

 an inch long, and of a pale reddish brown color. In about ten days after- 

 wards, it produced the perfect insect which proved to be Cidaria diversi- 

 lineata. These observations disclose an interesting fact, regarding the history 

 of this insect, that is, that it passes the winter occasionally, if not invariably, 

 in the caterpillar state, hybernating in some secure retreat, where it sleeps 

 peacefully, till called into activity again by the genial warmth of spring, 

 when in a few days it finishes its growth, and effects its changes as already 

 described. 



This moth measures when its wings are expanded, 1J inches. Its color is 

 pale ochre yellow, crossed by many greyish brown lines, and clouded also 

 with patches of the same, particularly along the margin of the wings. The 

 under side is a little paler than the upper, with fewer and fainter lines, but 

 bordered along the outer edges, much the same as above. The body and 

 legs are similar in color to the wings, the legs being marked with black about 

 the joints. 



On the 7th of June, a number of reddish geometric caterpillers, were 

 found on the vine leaves, in which they had eaten innumerable holes of 

 various shapes and sizes; these proved to belong jto the same insect. At 

 this time, they were about an inch long. The head was rather small, flattened 

 in front and bilobed, each lobe projecting above and terminating in a point • 

 color dull brownish green ; mandibles tipped with reddish brown. 



