Portelmis, Sanderson, 1953

Polizei, Thiago T. S. & Fernandes, André S., 2020, The Neotropical genus Portelmis Sanderson, 1953 (Coleoptera: Elmidae): three new species, new records and updated key, Zootaxa 4810 (3), pp. 452-467 : 466

Key to the species of Portelmis

For illustrations of some characters of species mentioned below see Fernandes et al. (2010) (indicated by an asterisk) and Przewozny & Fernandes (2012) (indicated by two asterisks).

1 Disc of metaventrite and ventrite I granulate; ventrite I without or sparse and shallow punctures ( Figs 2 , 7, 10 , 20A , 26 ); metaventrite with discrimen restricted to the posterior 1/2 ( Figs 2 , 9 , 18 , 26 )............................ nevermanni Group

1’ Disc of metaventrite and ventrite I without granules; ventrite I densely punctate ( Figs 33 , 43 ); Disc of metaventrite with discrimen extending beyond posterior 1/2 ( Figs 34 , 42 )................................................. gurneyi Group

Figures

FIGURE 20. Portelmis krolowi sp. nov. Male. Holotype. (A) Abdominal ventrites I-V. (B) Tarsomeres I-V. Scale bars = 0.1mm.

FIGURES 1–2. Portelmis vanini sp. nov. Male. Habitus. Holotype. (1) Dorsal view. (2) Ventral view. Scale bar = 0.5mm.

FIGURES 7–16. Portelmis vanini sp. nov. under scanning electron microscope. Male. Paratype. 7–11 ventral view; 12–13, 15. dorsal view; 14 lateral view. (7) Habitus. (8) Prothorax. (9) Metaventrite. (10) Abdomen. (11) Protarsi. (12) Habitus. (13) Pronotum. (14) Habitus. (15) Head. (16) Head covered by plastron. Scale bars: (11, 16) = 0.01mm. (15) = 0.03mm. (7–10; 12–14) = 0.1mm.

FIGURES 25–26. Portelmis fusariae sp. nov. Female. Habitus. Holotype. (25) Dorsal view. (26) Ventral view. Scale bars = 0.5mm.

FIGURES 17–18. Portelmis krolowi sp. nov. Male. Habitus. Holotype. (17) Dorsal view. (18) Ventral view. Scale bar = 0.5mm.

FIGURES 27–35. Portelmis gurneyi. under scanning electron microscope. Male. 27, 29, 35 dorsal view; 28, 31–34 ventral view; 30 lateral view. (27, 28) Habitus. (29) Pronotum (30) Habitus. (31) Protarsi. (32) Prothorax. (33) Abdomen. (34) Metaventrite. (35) Head covered by plastron. Scale bars: (31, 35) = 0.01mm. (27–30; 32–34) = 0.1mm.

FIGURES 36–44. Portelmis paulicruzi. under scanning electron microscope. Male. 36, 42–44 ventral view; 37, 39–41 dorsal view; 38 lateral view. (36–38) Habitus. (39) Head. (40) Head covered by plastron. (41) Pronotum. (42) Metaventrite. (43)Abdomen. (44) Protarsi. Scale bars: (40) = 0.003mm. (44) = 0.01mm. (39) = 0.03mm. (36—38; 41—43) = 0.1mm.