2 FARMERS BULLETIN 564. 



and was undoubtedly introduced some seasons previous to that time 

 on imported nursery stock. The work of preventing damage by this 

 insect was undertaken by the State of Massachusetts soon after the 

 pest was discovered. This species occurs in many sections of Europe 

 and is often seriously injurious. It spreads rapidly because the 

 females are able to fly long distances. The accompanying map 

 (fig. 1) shows the area in New England which is now infested by the 



MAP 



SHOW/MS. 



AREA MfESTED *?** QUA#AA/T/ND 



^footed 1 area //rfesfa/ 6y Gfrsy /70/fr. 



FIG. 1. Map showing area infested and quarantined for the gipsy moth and the 

 brown-tail moth, 1913. (Original.) 



brown-tail moth. Suppressive measures by the New England States 

 and by the Federal Government have been directed against this in- 

 sect as well as against the gipsy moth. 



It is the purpose of this bulletin to give a brief statement of the life 

 history and habits of these two species and to suggest the best methods 

 that can be adopted for their control. 



