Explanations of measurements for penis (a) and body (b). PW = penis width, PL = penis length, PCLL = penis central lobe length, PLLL = penis lateral lobe length, PCLWb = penis central lobe width at base and PCLWt = penis central lobe width at level of lateral lobe apex, TL = total body length, EL = elytral length, MEW = maximum elytral width, PrL = pronotal length and PrWb = pronotal width at base.

  Part of: Holmgren S, Angus R, Jia F, Chen Z-n, Bergsten J (2016) Resolving the taxonomic conundrum in Graphoderus of the east Palearctic with a key to all species (Coleoptera, Dytiscidae). ZooKeys 574: 113-142. https://doi.org/10.3897/zookeys.574.7002