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Grasshoppers of Wyoming and the West


Fourspotted Grasshopper

Phlibostroma quadrimaculatum (Thomas)

Fig. 1, First instar Body Length 4.8-6.2 mm, Femur Length 3-3.2 mm, Antennal Segments 12-13.

Fig. 2, Second instar BL 6.8-7.5 mm, FL 4-4.4 mm, AS 15-16.

Fig. 3, Third Instar Females: BL 8-9.1 mm, FL 5.2-5.4 mm, AS 18-19.

Fig. 4, Fourth Instar Females: BL 10.7-12 mm, FL 7-7.6 mm, AS 21-22.

Fig. 5, Fifth Instar Females: BL 14.5-18.5 mm, FL 9.3-10.2 mm, AS 23.

Fig. 8, Dorsal view of fifth instar female.

Fig. 10, Phlibostroma quadrimaculatum egg pod and group of exposed eggs.

Top of the Fact Sheet


Adults of P. quadrimaculatum

Nymphs of Next Species in Subfamily: Psoloessa delicatula

Nymphs of Previous Species in Subfamily: Orphulella speciosa

List of Species Fact Sheets

Field Guide Contents

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Scott Schell

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Phone: (307) 766-2508


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