LEPIDOP TERA . 255 



cut from the walls of its mine and lined with silk. It then 

 seeks a safe place in which to fasten this case and pass the 

 winter. This is usually on the trunk or on a branch of the in- 

 fested tree (Fig. 302). Once some of these migrating larvae 

 dropped from a tree upon the writer's hat and carefully 



?IG. 302. Aspidisca splendoriferella : a, leaf of apple showing work ; 6, summer larva ; 

 c, larva in case travelling ; i/, cases tied up for winter ; e, hibernating larva ; _/", pup a ; 

 g, moth ; A, parasite. (From the Author's Report for 1879.) 



faster/ed themselves to the band with misplaced confidence 

 that they could remain there till spring. The adult has 

 gray and golden wings with silvery and dark markings. 



The Maple-leaf Cutter, Incurvaria acerifoliella (In-cur- 

 va'ri-a a-cer-i-fol-i-el'la). This insect illustrates still another 



