2o6 



NATURE STUDY AND LIFE 



The Apple-Leaf Grumpier, PJiysis iiidigciiella. — Among a 

 number of moths whose larvae attack the leaves of fruit 

 trees this one is chosen because of the ease with which it 

 may be found. Any time during the winter little masses 

 of crumpled and withered leaves may be seen attached 

 by silken threads to the twigs. Within the mass will be 

 discovered a little twisted, horn-shaped case containing 

 the half-grown larva of the leaf crumpler. In the spring 



it fastens the 

 young leaves into 

 little bunches by 

 means of silken 

 threads and con- 

 tinues feeding 

 upon them until 

 its growth is at- 

 tained, about the 

 middle of June. 

 It then changes 

 into a dark-brown 

 chrysalis within 

 its case and in July emerges to lay its eggs and thus begin 

 its life story anew. 



The Gartered Plume Moth of the Grape, Oxyptilns periseli- 

 dactylus. — This is one of our prettiest little moths, but 

 its work should be known to every child who has a grape- 

 vine. After the leaves have fairly started in the spring 

 they will often be drawn together into round balls, and 

 within may be found an active, wriggling, bristling larva 

 of a greenish-yellow color, nearly half an inch in length 

 when fully grown. These are the larvae of the plume 



Fig. 86. Grape-Leaf Folder 



Larva, adult female motli, and folded leaf 

 (After Marlatt) 



