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Grasshoppers of Wyoming and the West

Entomology

Wyoming Grasshopper Population Dynamics Maps

Infestation collapse 1966-67 map

from Chapter II of Spatial Analysis of Ecological Factors Related to Grasshopper Population Dynamics in Wyoming

Fig. 8. Spatial distribution of rangeland grasshopper outbreaks during 1966-1967, when infestation area decreased by 59.7% from the previous year

Fig. 8. Spatial distribution of rangeland grasshopper outbreaks during 1966-1967, when infestation area decreased by 59.7% from the previous year (dark shading = uninfested area; blue = area infested in 1966 only; yellow = area infested in 1967 only; green = area infested both years; black = state and county borders).

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