KEY TO WYOMING GRASSHOPPERS: Oedipodinae

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47a Median carina of pronotum cut by the posterior sulcus much in front of middle, metazona at least one and one-half times as long as prozona... go to 48
 
Side views of pronotums, showing posterior sulcus much in front of middle.

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47b Median carina of pronotum cut by the posterior sulcus near middle, metazona not much longer than prozona, never one and one-half times as long... go to 70
 
Side views of pronotums, showing posterior sulcus near middle.

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