ILLUSTRATIONS. 



FiQ. 1. Districtsin Massachusettsinfested bythegipsymothinlQOOand 1905.. 9 



2. Egg mass of the gipsy moth ( Porthelria dispar) 12 



3. Full-grown caterpillar of the gipsy moth 12 



4. Pupa of the gipsy moth 12 



5. Male gipsy moth 13 



6. Female gipsy moth 13 



7. Manner of applying burlap bands 17 



(6) 



