170 INSECT PESTS OF BERRIES AND GRAPES 



The Yellow Cranberry- worm (Teras vacciniivorana Packard). 

 This pale yellow caterpillar (Fig. 186) is about three-tenths of 

 an inch long and feeds on the foliage of the cranberry. It 



draws leaves of the plant together 

 with silken threads, feeding upon their 

 upper surfaces. 



Control. Flooding is recommended 

 as the most effectual remedy. The 

 vines should be kept under water for 

 two or three days. Fires lighted in the 



Fia. 186. The yellow cranberry worm, dorsal and side views of larva and two views of pupa. 



neighborhood will attract and destroy some of these moths. 

 Where possible, a thorough. spraying with arsenate of lead, at the 

 rate of five pounds to fifty gallons of water, at the time of hatch- 

 ing of the eggs of the second brood will clear a badly infested 

 bog for three or four years. The time for spraying varies with 

 the season; usually it should be done about the middle of summer. 

 The Cranberry Leaf-roller (Ar chips parallella 

 Rob.). This is another caterpillar which feeds 

 upon the foliage of the cranberry. It is reddish 

 in color, with a yellow head. It is about three- 

 fourths of an inch long, with a number of prom- 

 inent warts on the back. From each wart one 

 or more rather long, stiff hairs project. The 

 moth (Fig. 187) is a reddish orange; the fore-wings are crossed 

 diagonally with numerous fine lines of a darker reddish brown. 



Control. Apply the same remedies as given for the cranberry 

 leaf-folder. 



The Cranberry Spittle Insect, This is a small, soft, sucking 



FIG. 187. The cran- 

 berry leaf-roller. 



