FIGURES 49–55 in A new classification of the tribe Hygrotini Portevin, 1929 (Coleoptera: Dytiscidae: Hydroporinae)

FIGURES 49–55. (49–53): Epipleuron with oblique epipleural carina and genicular fossa of: (49) Clemnius (s. str.) berneri, (50) Hygrotus (Leptolambus) polonicus polonicus, (51) H. (Coelambus) caspius, (52) H. (Leptolambus) impressopunctatus and (53) Rhithrodytes agnus; epipleural carina (c) and inner margin of epipleuron (m) including angle mentioned in diagnoses of subgenera. (54–55): Elytral margin in lateral view of: (54) H. (Coelambus) caspius (strongly ascending to shoulder) and (55) Clemnius (s. str.) berneri (moderately ascending to shoulder) (Figs 52 and 53 are reproduced from Fery 2013 and from Fery 2016 with the permissions of F. Gusenleitner, Linz, Austria, and G. Foster, Ayr, UK, respectively).