398 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



ances, and a little more than one-fourth an inch long." The pupal 

 stage lasts about ten days, thus giving about forty-two to fifty 

 days for the complete life cycle from egg to adult. 



The moths of the second brood appear late in June and during 

 July. This brood is much more abundant on blackberry and 

 raspberry than on strawberry plants. The moths of the third 



FIG. 333. Strawberry leaf folded by the leaf-roller. (After J. B. Smith.) 



brood appear in August. They are comparatively few in number 

 and also seem to prefer blackberry and raspberry. Young larvae 

 are, however, to be found on strawberries in September. " Accord- 

 ing to the account given by Riley, the larvae change to pupae 

 late in September and remain during the winter in that state." 

 Dr. Smith states that he has not observed this personally. In 

 Delaware we have found full-grown larvse in folded leaves in 

 midwinter, so that possibly some of them at least do not pupate 

 until spring. 



" The adult moth is small, measuring with expanded wings 

 about two-fifths of an inch. In general color it is somewhat 



