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Couplet 40
40a: Anterior edge of scutellum abruptly and sharply elevated above mesoscutum; metepisternum reaching mid coaxial cavity and contacting first ventrite to separate hind coxa from edge of elytron. Derodontidae p.424
40b: Anterior edge of scutellum not abruptly elevated, continuous with mesoscutum; metepisternum variable.
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