Orthognathus Schoenherr, 1838
Diagnosis: Moderately large 7-15 mm in total body length; elongate-narrow in form; surface generally shining, without micropilose spots or granules; antennal funicle of 6 articles; tarsus of 5 articles, but article 4 small, located at very base of article 3, articles 3 and 2 subequal in width; front tibia with outer apical angle producecd anterolaterally to a sharp or narrowly rounded angle; tibiae with apex much wider than base, distinctly fossorial; front coxae contiguous, anterior margin of pronotum with postocular lobe; pygydium largely covered by elytra.
Natural history: Adults are collected most frequently at lights.
Diversity: Two species of Orthognathus are
known from Central and South America, with only O. subparallelus (Chevrolat)
found in Costa Rica and Panama.
Orthognathus subparallelus (Chevrolat)
Distribution: Belize, Costa Rica, El Salvador, Guatemala, Nicaragua, Mexico, Panama and United States (Arizona).
Natural history: No significant information.