Grasshoppers of Wyoming and the West

Entomology

High Plains Grasshopper

Dissosteira longipennis (Thomas)

Table 1. Recorded outbreaks of the High Plains grasshopper,Dissosteira longipennis (Thomas) and number of acres infested in the High Plains of North America (after Wakeland 1958).

Year	Years duration	Number infested acres
1891	1	256,000
1898-1901	4	unrecorded
1913	1	288,000
1921	1	40,320
1934	7	448,000
1935		unrecorded
1936		2,000,000
1937		3,400,000
1938		6,496,000
1939		11,485,000
1940		194,000

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