Grasshoppers of Wyoming and the West

Entomology

Comparison

Nymphs of Aulocara elliotti and Aulocara femoratum

First Instar Aulocara elliotti Body Length 5-6.3 mm Femur Length 3.3-3.6 mm Antennal Segments 14	First Instar Aulocara femoratum BL 6-6.8 mm FL 3.2-3.8 mm AS 13
Second Instar A. elliotti BL 6.6-9.8 mm FL 4.5-5.3 mm AS 18-19	Second Instar A. femoratum BL 6.8-8.6 mm FL 4.6-5 mm AS 16-17
Third Instar A. elliotti BL 9.8-12.2 mm FL 6.3-7.2 mm AS 20-21	Third Instar A. femoratum BL 9.1-9.9 mm FL 6.1-6.6 mm AS 20-21
Fourth Instar A. elliotti BL 12.5-16 mm FL 8.3-9 mm AS 22-23	Fourth Instar A. femoratum Males: BL 13-15 mm FL 7.8-8.3 mm AS 22-23 Females: BL 11.9-15 mm FL 8.4-8.6 mm AS 22-23
Fifth Instar A. elliotti BL 14.5-19.5 mm FL 9.5-11.1 mm AS 22-25	Fifth Instar A. femoratum Females: BL 15-18.6 mm FL 10.5-11.5 mm AS 24

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