126 



Bulletin 223. 



on which it works and has a sUghtly brownish head; the young caterpillars are 

 light yellowish. The blossoms and young fruits are webbed together and fed 

 upon by the caterpillars. When full-grown they spun a hght cocoon between two 

 leaves and in three or four days transformed to brown pupse, from which the 

 reddish-brown, banded adults or moths, shown in Fig. 25, emerged in ten days 

 or on July 16 and 19. We saw nothing more of the insect in the grape-berries 

 during the season, but it may work as a leaf-roller on the grape foliage. It is such 

 a general feeder, that it probably will never become a serious vineyard pest. 



This red-banded leaf-roller has been recorded as feeding on the following plants : 

 cranberry, roses, clover, elm, soft maple, oak, apple, beans, strawberry, corn, 

 Gnaphalium polycephalum, violets, chrysanthemum. Lobelia, honeysuckle, some 

 other ornamental plants, and numerous field and garden crops. A moth in the 

 National Museum CoUection was bred from a caterpillar feeding on and boring 

 into plums, which is not milike its grape-berry eating habit. Mr. W. D. Kearfott 

 has also reared the moths in August on narrow leaf Solidago and Dogsbane, and 

 from over-wintered pupae in May on Sycamore and Apple. Surely this is a 

 variable diet even for an insect. 



One of the parasitic foes of the grape-berry moth also attacks this red-banded 

 leaf-roller. It is Urogaster canarsiae Ashm. We reared one specimen on July 12. 



The arsenate of lead poison spray, which our experiments indicate is so effective 

 against the spring brood of the grape-berry moth, will also reach its comrade — 

 this red-banded leaf-roller. 



Fig. 25. — The red-banded leaf-roller (Eiilia triferana Walk.) and its caterpillar, 



enlarged. 



