Grasshoppers of Wyoming and the West

Entomology

Northern Grasshopper

Melanoplus borealis (Fieber)

Table 1. Mean percent dry weight of food items in the crops of adult Melanoplus borealis collected from grass-herb meadows of the Big Horn Mountains, Wyoming.

Food item	Site 1 15 August 1994	Site 2 27 July 1989	Site3 27 July 1989
Lupinus	6	50	68
Oxytropis campestris	58	0	0
Poa	0	26	8
Composite	6	8	17
Cirsium	0	10	5
Potentilla diversifolia	10	0	0
Astragalus	7	0	0
Achillea millefolium	6	0	0
Arthropod	6	0	0
Carex	0	4	0
Verbena	0	0	2
Grass seed	1	0	0
Other forbs	0.4	1.7	0.2
Total forbs	94.4	69.7	92.2
Total grasses	1.0	30.0	8.0
Number crops	13	19	8

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