TWENTY-EIGHTH REPORT OF THE STATE ENTOMOLOGIST 17 

 MISCELLANEOUS RECORDS AND OBSERVATIONS 



Say's Plant Bug (Chlorochroa sayi Stal) . — This bug has been at- 

 tacking grain crops primarily in north-central Montana every year 

 since 1932. Its attacks have fluctuated in intensity and in localities 

 involved from year to year, sometimes being very destructive local- 

 ly. Other than in the Triangle area, where it was first noticed in 

 injurious numbers, and where it has been a problem ever since, 

 it has been seen damaging wheat south of Hardin, on Rosebud 



Figure 4. Eggs of Say's plant bug on Russian thistle, the common spring 

 host for this pest. Enlarged about 3 to 4 times. 



Creek in Rosebud County, and near Savage. This insect overwin- 

 ters in the adult stage beneath mats of weeds, straw, etc., and has 

 a spring generation primarily on Russian thistle and tumbling 

 mustard. Anything which can be done to destroy the hibernating 

 quarters will reduce the overwintering populations, and an ef- 

 fort should be made to return to grass reverted fields upon which 

 annual weeds are growing (figure 4) . 



Grass Plant Bugs. — But one instance of movement of the grass 

 plant bug (Labops hesperius Uhler) into wheat has been observed 



