PYRAUSTID-®. 217 
color (the other being white), its smaller size when full 
grown, and witha glass by the hooks on the prolegs. In 
the peach-borer the ends of the soft stump-like legs are pro- 
vided with small brown hooks, 
arranged in two opposite curves 
discontinuous at their ends, each 
of a single row; while in the new 
plum-borer the corresponding 
hooks form a complete ring, 
nearly covering theend of theleg. 
“Kept ina breeding cage and 
supplied with the chips and twigs 
/ Abe “of the plum trees, our larve spun 
Fig. 205.—Euzophera semi-funer- = > ay Lae - 
Pgh ae ee Sinall webs mi whieh they-passed 
the winter. By 3 May a part 
of them had pupated, and 28 and 29 May two winged 
moths emerged, all the others failing. 
‘“‘These moths were small gray insects, theextended wings 
measuring about eight-tenths of an inch. The fore-wings 
were reddish behind (within); the hind-wings were plain.’” 
Illustrated in Fig. 205. 
THE APPLE-LEAF SKELETONIZER. 
(Canarsia Hammondi Ril.). 
In some regions of the United States this insect is very 
numerous and correspondingly injurious. As it is also found 
‘in Minnesota its life-history is given, so that in case it 
should become destructive it may be recognized and treated 
accordingly. 
The leaves of apple-trees, and especially of the younger 
ones in the nurseries, appear sometimes blighted, corroded 
and rusty. If we search for the cause for this injury we 
shall find it to be produced by the gnawings of little worms, 
the young of this insect, which feed solely on the green pulpy 
