| Body length (in mm) | 8–11 | 11 12–16 | 16–17 |
|---|---|---|---|
| Colour | chestnut-brown | testaceous-brown not quoted [testaceo-brunneus] | brown or pinkish brown, sternites lighter |
| Integument | not punctate; setae fairly long | evidently wrinkled, not quoted densely covered with setae [manifeste et dense rugosus et pilosus] | smooth, with long and sparse setae |
| Cephalic shield | slightly broader than long | almost square, not quoted posteriorly straight [lamina cephalica subquadrata, postice truncata] | rounded |
| Number of antennal articles | 31–35 | 33–35 35–48 | 56–57 |