Key to the Melanoplus Species

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F Cerci not symmetrical; cerci grooved, curved inward moderately to strongly. [Long-winged M. dawsonii will key to this point but cerci not grooved nor curved inward]
 
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F' Cerci symmetrical, with shallow spoon-like depression, usually moderately curved inward; hind tibiae usually red; widespread and common in eastern Colorado.

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