FOOD PLANTS. 



17 



It is difTicuit to note n ])roferciicc of this wirewonn for any ])ar- 

 ticular food plant, as sugar beets, lima beans (Pis. VI, A^II), corn 

 (fi*^. 3), potatoes, and aKaKa aU seem to be favored. After these 



Fig. 2.— Map of California showins; t-ounties from which the sugar-beet wireworm has been reported. 



(Original.) 



in order come Jolnison grass and wdld beets. The remaining food 

 plants seem to be taken more from necessity than choice, and it is 

 only occasionally that larviB are discovered feeding on them. 



(5140°— Bull. 123—14 2 



