182 



PESTS OF GARDEN AND FIELD CROPS 



Fig. 217. — The Salt-marsh Caterpillar. Original. 



ate numbers. When very abundant, spray with Paris green and Hme, 

 making the dose quite heavy as the caterpillars are resistant. 



The Salt-marsh Cater- 

 pillar, Estigmene acroea Dru., 

 is another hairy caterpillar 

 closely paralleling the above 

 in appearance and habits. 

 Its body is darker, and 

 there are yellow markings 

 on each side. 

 The Hedgehog Cater- 



FiG. 218. — Adult of the Salt- 

 marsh Caterpillar. Original. 



pillar, Isia Isabella S. and 

 A., is thickly covered with 

 close-cropped soft hairs, 

 brownish red along the 

 middle of its body and black 

 at either end. 



Control of these two 

 species is the same as for 

 the yellow-bear caterpillar. 



Neither is apt to be abun- 

 dant enough to be a serious 

 pest. 



Fig. 219. — The Hedgehog Caterpillar. 

 Original. 



