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Grasshoppers of Wyoming and the West

Entomology

Northern Grasshopper

Melanoplus borealis 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

Oxvtropis 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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Scott Schell

Room #9, Agriculture Bldg.

Phone: (307) 766-2508

Email: insectid@uwyo.edu

1000 E. University Ave. Laramie, WY 82071
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