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Grasshoppers of Wyoming and the West

Entomology

Bruner Spurthroated Grasshopper

Melanoplus bruneri Scudder

Table 1. Mean percent dry weight of food items in the crops of adult Melanoplus bruneri from northern Colorado (adapted from Hansen and Ueckert, 1970) and from northern Wyoming (original).

Colorado

Colorado

Wyoming

Item

8/10/67

8/23/67

8/10/95

Achillea millefolium

0.1

3.2

26.7

Agoseris glauca

0.0

0.0

9.1

Arenaria fendleri

8.5

7.6

0.0

Arnica sororia

0.0

0.0

12.5

Artemisia frigida

2.5

0.0

0.0

Artemisia tridentata

0.0

0.0

4.4

Aster sp.

0.0

0.0

2.6

Astragalus spp.-Oxytropis spp.

70.4

18.6

6.2

Composite flower

0.0

0.0

0.9

Allium sp.

0.0

0.0

5.2

Lupinus argenteus

0.2

8.3

0.0

Orthocarpus luteus

0.0

4.8

0.0

Penstemon sp.

0.4

5.6

0.0

Potentilla spp.

2.9

11.9

0.0

Taraxacum officinale

0.1

17.9

0.0

Carex sp.

0.0

0.0

6.3

Danthonia parryi

0.1

2.3

0.0

Danthonia unispicata

0.0

0.0

1.9

Festuca idahoensis

0.1

2.2

12.1

Juncus confusus

0.0

0.0

0.2

Poa sp.

0.0

0.0

0.3

Fungi

5.5

4.7

3.0

Moss

0.0

0.0

7.3

Pollen

0.0

0.0

1.3

Arthropod parts

2.5

3.7

0.0

Number crops

25 57 24

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Scott Schell

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Phone: (307) 766-2508

Email: insectid@uwyo.edu

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