Head (a, b) a with post-ocular setae i 0.5–1 times as long as post-ocular setae ii and post-ocular setae II not overlapping posterior margin of compound eye b with post-ocular setae i 0.3–0.5 times as long as post-ocular setae ii and post-ocular setae ii considerably overlapping posterior margin of compound eye; pronotum (c, d) c with postero-angular setae much shorter than epimeral setae d with postero-angular and epimeral setae almost equal in length.