CUTWORMS AND ARMY-WORMS 



261 



description have received the names indicated in Fig. 152. 

 They are active only at night and many species are at- 

 tracted to hghts and to sugar baits. A large proportion 

 of the moths which fly into our rooms in summer evenings 

 belong to this family. Their glowing eyes and heavy tufts of 

 scales and hairs on the thorax together with their nocturnal 



Transverse dnterior 



ReTJiform 



Tr^xnsverse posterior 

 SubtermiriAl 



iTermind 



iCkviform 



Fig. 152. — Diagram of the wing-pattern of a cutworm moth. 



habits have given them the name of owlet moths. They are 

 rarely seen by day, being hidden away in sheltered places, as 

 under the loose bark of trees, in board piles and in crevices of 

 fences. 



The species treated in this chapter are those which have 

 caused outbreaks of sufficient importance to attract the atten- 

 tion of entomologists. It is quite probable that other species 

 may have been concerned but so far have escaped detection. 

 These mav at any time become so abundant as to cause serious 



