FIGURE 3A–I in Three new species of Macrelmis Motschulsky (Coleoptera: Elmidae: Elminae) from Southeastern Brazil with new definition of species groups to the genus

FIGURE 3A–I. Male genitalia of Macrelmis. A–C. amazonica sp. group. A. M. amazonica (modified from Hinton, 1945). B. M. terea. C. M. thorpei (both modified from Hinton, 1946). D–F. aristea sp. group. D. M. aristea. E. M. amana. F. M. plaumani (all three modified from Hinton, 1946). G–I. celsa sp. group. G. M. celsa. H. M. codris (both modified from Hinton, 1946). I. M. nessimiani (modified from Barbosa et al, 2013). Scale bars: 0.1mm.