| Dorsum with submedian lines of dorsal setae, and submedial and submarginal lines of simple pores. |
| Chromosomes of the Middle Atlas population are shorter than those of the High Atlas and display a less distinct constriction, which is usually median to submedian. |
| Genital pore just submedian to right, immediately anterior to posterior testis. |
| Pronotum slightly convex, with a broad collar margin and a broad basilary margin marked by a groove, each side with a large lateral submedian conical protuberance. |
| Most chromosomes have centromeres at median, submedian and subterminal positions. |
| Several larger chromosomes had centromeres at median or submedian positions but centromere position of smaller chromosomes could not be determined. |
