31a (30). Pronotal collar rounded anteriorly and with wrinkled (= rugose) punctures or crowdedly wrinkled punctures bearing setae; pronotum with an isolated wavy (= crenulate) line parallel to and         near posterior margin.............................................. ….............32

 

31b. Pronotal collar with finely haired punctures anteriorly and laterally with interspaces smooth; pronotum without median longitudinal groove (Fig. A); mesopleural punctures in lines of various shapes .......……………………………… …….....................………….........34

          Please CLICK on picture to enlarge