MONTANA STATE BOARD OF HORTICULTURE 



67 



and now extends through much of Utah and parts of Idaho, Wyoming, 

 Arizona and New Mexico. Recently the weevil has appeared in Delta 

 Countj^ Colorado, and in Payette, Idaho, and in doing so has made 

 jumps past uninfested territory. Undoubtedly the principal means 

 of spreading is by flight and by this" means the weevil has widened 

 the region which it occupies by a considerable number of miles 



The present distribution of the alfalfa weevil is shown by the shaded areas. 



