Abdomen has a declivity with tubercles on the third and fourth sternites (more so in the male); Pietsch-Ohlqu, Sil, CNHM 1955, Karl Branscki Coll. ex Edward Knirsch.
You must attribute the work in the manner specified (but not in any way that suggests endorsement). You may not use this work for commercial purposes unless permission is granted by the photographer or copyright owner.