Pyralidse 



ment, being possessed of vitality enough to withstand a great 

 degree of cold. It has been suggested that a better way in 

 which to rid the fields of the pests is to apply Paris green to the 

 beets, in a solution composed of one pound of the poison to two 

 hundred gallons of water. The spraying of the plants by the 

 mixture is said to have proved efficacious in cases where the 



Fig. 220. —P. sticticalis. a, 

 outline of larval case ; d, cocoon 

 of parasite in larval case ; c, 

 pupa, enlarged. (After Riley, 

 "Insect Lite," Vol. V, p. 321.) 



Fig. 219. — P- sficticalis. a, larva, 

 magnified ; b, dorsal view of segment 

 of do. ; <r, lateral view of segment. 

 (After Riley, " Insect Life," Vol. V, 

 p. 32I-) 



application was made as soon as it was ascertained that the in- 

 sects were at work upon the leaves. Nature in this case, as in 

 multitudes of others, comes to the assistance of the agriculturist, 

 and there is a parasite which destroys many of the larvae. The 

 cocoon of one of these is shown in Fig. 220. 



The moth occurs in Europe as well as in America, and it is 

 possible that the insect has been imported from the Old World. 



(3) PhlyctGsnodes oberthuralis Fernald, Plate XLVlll, Fig. 



The species occurs in California and Arizona. 



Genus TITANIO Hiibner 



(i) Titanio proximalis Fernald, Plate XLVIII, Fig. 6, $> . 

 The moth is a native of California. The genus to which it 

 belongs is represented in our fauna by a number of species. 



" And your spoil shall be gathered like the gathering of the caterpillar." 



Isaiah. — XXXIII, 4. 



396 



