Figure 4 from: Yao Y, Zhang W, Ren D (2011) New shore bug (Hemiptera, Heteroptera, Saldidae) from the Early Cretaceous of China with phylogenetic analyses. ZooKeys 130: 185-198. https://doi.org/10.3897/zookeys.130.1563

Figure 4 - A, B pronotum A posterior pronotal margin indented B posterior pronotal margin non-indented C, D female subgenital plate C truncate with concave along the midline D posterior margin of produced caudad along the midline (modified from Polhemus and Chapman 1979).