EXPERIMENT STATION BULLETINS. 



223 



, Fig 21 Wheat Joint-worm; sections of straw broken out by thresher, natural size (Original). 



REMEDIES. 



Startiug witli the knowledge that there is but one brood a year, and 

 remembering that the winter is passed in the straw or in the woody 

 segments that are brol^en ont, we should not expect to find any very 



Fig. 22. Wlieat'Joint-worm, showing where insects have been extracted, probably by mice, enlarged* 



(Original). 



* Fig. 22 shows the appearance of straws which have been searched out by mice or shrews in the 

 barn where the straw was stored. The immature joint-worms have been neatly cut out and eaten. 

 Large numbers of such straws were to be found here this fall. 



