Grasshoppers of Wyoming and the West

Entomology

Fourspotted Grasshopper

Phlibostroma quadrimaculatum (Thomas)

Table 1. Densities (Number per sq yd) of late nymphs and adults of Phlibostroma quadrimaculatum in an assemblage of grasshoppers inhabitng a mixedgrass prairie site in eastern Wyoming (Platte County T28N R66W Sec 34 NE).

	1968	1969	1970	1971	1972
P. quadrimaculatum	1.4	1.0	0.5	0.6	0.6
Assemblage of 19 species	12.8	6.1	2.9	5.6	4.0

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