Skip to Main Content

Apply Now to the University of Wyoming apply now

Grasshoppers of Wyoming and the West


Striped Grasshopper

Amphitornus coloradus (Thomas)

Fig. 1, First instar Body Length 5.1-7.2 mm, Femur Length 2.9-3.3 mm, Antennal Segments 13-14.

Fig. 2, Second instar BL 8.2-9.4 mm, FL 4.2-4.6 mm, AS 14-17.

Fig. 3, Third Instar BL 9.7-10.0 mm, FL 5.9-6 mm, AS 20.

Fig. 4, Fourth Instar BL 12.3-13.6 mm, FL 7.3-7.7 mm, AS 22.

Fig. 5, Fifth Instar BL 15.3-16.4 mm, FL 8.9-10.0 mm, AS 23.

Fig. 9, Dorsal view of head and pronotum of third instar nymph.

Fig. 10, Amphitornus coloradus egg pod attached to grass stem and an opened pod showing two eggs in situs.

Top of the Fact Sheet


Adults of A. coloradus

Nymphs of Next Species in Subfamily: Aulocara elliotti

Nymphs of Previous Species in Subfamily: Ageneotettix deorum

List of Species Fact Sheets

Field Guide Contents

Contact Us

Scott Schell

Room #9, Agriculture Bldg.

Phone: (307) 766-2508


1000 E. University Ave. Laramie, WY 82071
UW Operators (307) 766-1121 | Contact Us | Download Adobe Reader

Accreditation | Virtual Tour | Emergency Preparedness | Employment at UW | Privacy Policy | Harassment & Discrimination | Accessibility Accessibility information icon