32 



PEELIMIXAEY EEPOET OX ALFALFA WEEVIL. 



Tlie tenebrionid beetle. Eh s rale Mann., was accused by 



fanners of feeding upon the larva? of the weevil and when taken to 



the laboratory it readily 

 did this in confinement. 

 An allied species. E. 

 suturalis Say, was ob- 

 served by Mr. E. O. 

 Kelly to devour chinch 

 bug's in the neighborhood 

 of Wellington, Kans. In 

 the latter instance the 

 beetles seemed to prefer 

 the partially decay: 

 leaves of corn under 

 which the chinch bogs 

 were hiding. It is prob- 

 able that while these in- 

 ac is may devour a few o! 

 the weevil larva? theypref er 

 other and vegetable food. 



The predaeeous mite. P> " mm Newp. (figs. 12. 13), 



3 introduced from Indiana in March. 1911, but was afterwards 



Fig. 11.— The two-spott ?d Collops ( CoHops hipttnetaimy. Adult 

 Enlarged. (Original.) 



Fig. 12.— Pedicuioidts ventricosu* . 

 . mite predatory on the alfalfa 

 weevil: Adult female before the 

 abdomen has become inflated 

 with eggs and young. In this 

 condition the mite is nomadic 

 and predatory. Greatly en- 

 large d. (Redrawn from 

 Brucker.) 



Fig. 13.— Pedkulou 

 ■1 iomen haa be 

 Greatly enlarged. 



jme inflated with eggs an 



found a sufficient distance away from the points of introduction to 

 show plainly that it was already an inhabitant of Utah. The results 



