163a (162a). Prothorax usually rounded on sides, without a sharp lateral margin....…..…….................. 164

163b. Prothorax with a sharp lateral margin; body somewhat humpbacked, with head bent

down; abdomen pointed apically, extending beyond tips of elytra (Figs.A-B) (may be

predators) ....................................................................…….................….......(Coleoptera) Mordellidae

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A B