| dorsal surface |
heavily spinose
frontal costa, pronotum and femora supplied with many stout spines; median carina of pronotum rising between shoulders in a lamellate, and in dorsal aspect, strongly undulate ridge, the lateral outline of which is convex, except before its narrow projection above the head, where it is weakly to distinctly concave, the narrow projection above the head with its ventral margin horizontal | not spinose
ranging from tuberculate to smooth |
| general appearance |
body length 12-13.7 mm, pronotum 12.9-13.3 mm
| different |
