Figs. 12–19 in A review of Copelatus from Cuba, with the description of two new species (Coleoptera: Dytiscidae: Copelatinae)

Figs. 12–19. Male genitalia (12–15) and left protibia (16–19) of Cuban species of Copelatus. 12, 16 – C. barbouri Young, 1942; 13, 17 – C. darlingtoni Young, 1942; 14, 18 – C. insolitus Chevrolat, 1863; 15, 19 – C. montivagus Young, 1942. Parts of male genitalia: a – median lobe of the aedeagus in left lateral view, b – same in ventral lateral view, c – left paramere in lateral view.