LEPIDOP TER A . 
2 55 
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 
Fig. 30 n.—Aspidisca sfilendoriferella : a , leaf of apple showing work; 6 , summer larva; 
c, larva in case travelling; </, cases tied up for winter; e t hibernating larva; / y pupa; 
g, moth ; A, parasite. (From the Author’s Report for 1879.) 
fastened 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, Incurvarm acerifoliella (In-cur- 
va'ri-a a-cer-i-fol-i-el'la).—This insect illustrates still another 
