Nemognatha angusta is a species of blister beetle belonging to the family Meloidae. This insect is found in North America.
Taxonomy Nemognatha angusta belongs to the subgenus Nemognatha (Meganemognatha), where it is a relative of N. explanata.
Description Adults measure in length, and are tawny in color. Besides its color, it is also distinguished from N. explanata by its shorter galeae (outer lobes of the maxillae) and basally narrowed pronotum.
Distribution The holotype of N. angusta was found in Mississippi, with paratypes from Mississippi and Louisiana.
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