Couplet 17

17.   Labrum long (width/length ratio < 1.65) (a); body usually < 15 mm long              Cicindela lengi W. Horn

17'.  Labrum short (width/length ratio < 1.65) (aa); body usually > 15 mm long            Cicindela formosa Say

(a) Labrum long                                                             (aa) Labrum short

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