BiLACK-HBADED FIREWORiM 

 Fig. 1 Cranberry leaf witli pile of castings over mine of newly liatclied worm. Much 



enlarged. 

 Fig. 2. In middle, uninfested cranberry upright; at right, upright with the first webbing; 



at left, more advanced webbing. 

 Fig. 3 Nest of webbed cranberry uprights. 

 Fig. 4 Eggs on backs of cranberry leaves. Much enlarged. 



