Pronotum broad with flattened disk, subangulate at junction with lateral lobes, and moderately convex hinder margin, the mid-carina distinct on the metazone, absent from prozone. Prosternal spine short and variable, usually conical with acutely pointed...
Researches on North American Acridiidae - Page 52
by Albert Pitts Morse - 1904 - 55 pages
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