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Grasshoppers of Wyoming and the West

Entomology

Alpine Grasshopper

Melanoplus alpinus Scudder

Table 1. Mean percent dry weight of food items in the crops of Melanoplus alpinus in northern Colorado, Larimer County. (Adapted from Hansen and Ueckert, 1970).

Item

8/10/67

8/23/67

Arenaria fendleri

34.9

34.7

Astragalus spp. and Oxytropis lambertii

19.7

15.8

Penstemon sp.

3.2

0.5

Taraxacum offinale

2.1

0.8

Antennaria parvifolia

2.1

0.5

Achillea lanulosa

2.1

0.0

Crptantha virgata

2.1

0.0

Erigeron spp.

2.1

0.0

Poa spp.

4.6

2.6

Festuca idahoensis

2.1

9.5

Agropyron spp.

1.7

3.9

Muhlenbergia filiculmis

1.4

2.9

Danthonia parryi

0.3

3.9

Bouteloua gracilis

1.2

1.5

Arthropod parts

2.4

4.8

Fungi

10.2

8.3

Number Crops

23 40

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