Grasshoppers of Wyoming and the West

Entomology

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.

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Identification

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

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