Nymphs transparent yellow. Adult female very dark brown, or glossy black, colour lighter on margin and submarginal areas, becoming intense in median area above anal plates; anal plate light reddish; body shape subcircular, almost flat but slightly convex in the median area; stigmatic clefts lighter in colour. Dorsal derm covered with numerous minute pits, and divided into irregular tessellations by smooth narrow bands, of which a single median band runs from anal plates towards head and 6–7 longitudinal bands ramify from median band to the margin