TWENTY-SEVENTH REPORT OF STATE ENTOMOLOGIST 



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Figure 3. — Wheat field destroyed by lesser migratory locust, Garfield County, 

 July, 1938. Courtesy U. S. Bureau of Entomology and Plant Quarantine. 



GRASSHOPPER CONTROL 



General Conditions During 1937-1938 



The 1937 season was similar to several preceding seasons in 

 that drought conditions prevailed in many parts of the State. 

 The hatching of grasshoppers started approximately the middle 

 of May and was rather local in its occurrence. In the mountain- 

 ous western third of the State there was a great mixture of 

 species including Camnula pellucida (clear winged locust) ,Mel- 

 anoplus mexicanus (lesser migratory locust), M. packardi, M. 

 infantilis, Chorthippus, and others. Throughout the eastern 



