Couplet 186

186a:  Elytra with sutural and epipleural margins elevated, with strongly elevated carina running from humeral angle nearly to apex resulting in distinctly concave elytral disc; pronotum with median longitudinal elevated carina on basal third, deep transverse grooves with pits at each end on either side of carina (Ischalia)

Anthicidae   p. 440

186b:  Elytra and pronotum without strongly elevated carinae, elytral disc convex