Grasshoppers of Wyoming and the West
Entomology
Twostriped Slantfaced Grasshopper
Mermiria bivittata (Serville)
Fig. 1, First instar Body Length 9.5-10.4 mm, Femur Length 4.3-4.7 mm, Antennal Segments 13.
Fig. 2, Second instar BL 12-13.8 mm, FL 6.1-6.9 mm, AS 16-19.
Fig. 3, Third Instar BL 16-18.5 mm, FL 9.2-9.5 mm, AS 21.
Fig. 4, Fourth Instar Males: BL 21.5-24 mm, FL 12.5-12.7 mm, AS 22-23.
Females: BL 24-24.7 mm, FL 12.5-13.5 mm, AS 22-23.
Fig. 5, Fifth Instar Females: BL 28-30 mm, FL 16.8-18 mm, AS 23-24.
Fig. 10, Mermiria bivittata egg mass at bottom of pod (left) and froth plug above (right).
Nymphs of Next Species in Subfamily: Opeia obscura
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