THE RED SPIDER ON COTTON. 



HIBERNATION VERSTS WINTERINC. 



Some observers have thou<zht that the red --pidcr commonly hiber- 

 nates in trash or in the soil in cotton fields, but tlie investigations in 

 South Carolina have produced absolutely no evidence to support this 

 idea. Durinji" the late fall and early s])rin<:", when the weather was 



Fig. 4. — System of Hesliy roots of the pokeweed ( Phi/lolarca ilecondru) . showing the 

 attnutivp wiium' Imrls at nbout the ground Icvil, ;is indicated by tlie dotted line. 

 K^ri.irinal. ) 



as cold as it becomes in South Carolina, trash has been taken several 

 times from fields in which the infestation had prcA'iously been severe 

 and examined with great care. A few minute dormant acarids and 

 other forms have thus been obtained, but no red spiders have been 

 found in such material. 



