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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