30 



MASS. EXPERIMENT STATION BULLETIN 371 



Insect Pestsi4 



The chief cranberry pests in order of their importance are: the fruit 

 worm, the black-headed fireworm, the blunt-nosed leafhopper (carrier of 

 false blossom), the root grub, the gypsy moth, and the girdler. 



Fig. 26. Cranberry Bog Infested with Root Grubs. 

 The bare patches are a result of their work. 



Fig. 27. Treating Root Grubs with Sodium Cyanide Solution. 



'■•The best discussion.s of cranberry insects aro I 

 States Department of Agriculture and Bulletin No. 

 P^xperinient Station. Neither of these ia nearly uj 

 services of Barnstable and Plymouth counties (with 



b' Bulletin No. 860 of the United 

 239 of the Massaclmsetts Agricultural 

 to date in treatments. The extension 

 oflices at Barnstable ami at 106 Main 



Street, Brockton, respectively) 

 weed control chart every .sTiring. 



cranberry insect and disease conti 



[■hart and 



