132 DISEASES OF THE SWEET PEA 



FIG. 21. THE RED SPIDER, ENLARGED. (AFTER BANKS.) 



tack both leaves and stems, the method of 

 attack and the resulting injury somewhat 

 resembling that of mites. However, the 

 spots caused by red spiders are reddish in- 

 stead of a pale white. 



Life History. The adult female is usu- 

 ally brick red in color and the male is red- 

 dish amber. Frequently, however, the 

 color of the red spider changes according to 

 locality and food plants. The female lays 



