Portelmis gurneyi, Spangler, 1980

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

gurneyi group

1 Prosternal process with lateral margins nearly straight; apex narrower than middle ( Fig. 7 *). Elytra with second interval el- evated on basal 1/8 ( Figs 37, 38 )................................... P. paulicruzi Fernandes, Passos & Hamada, 2010

1’ Prosternal process with lateral margins concave; apex wider than middle ( Fig. 32 ). Elytra with flat intervals ( Figs 27, 30 )........................................................................................................ 2

2 Mesoventrite feebly depressed between pro- and metaventrite. Disc of metaventrite with discrimen extending from posterior to anterior margin ( Fig. 34 ). Phallobase ca. 0.75 times the width of the base of paramere in lateral view ( Fig. 17 *)............................................................................................ P. gurneyi Spangler, 1980

2’ Mesoventrite deeply depressed between pro- and metaventrite. Disc of metaventrite with discrimen extending from posterior margin to anterior 1/8 ( Fig. 4 **). Phallobase as wide as the base of paramere in lateral view ( Fig. 7 **)................................................................................... P. guianensis Przewoźny & Fernandes, 2012

Figures

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 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.

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

FIGURES 3–6. Portelmis vanini sp. nov. Male. Paratype. Mouth parts in dorsal view. (3) Labrum. (4) Left mandible: at = apical tooth, pt = prostheca. (5) Left maxilla: ca = cardo, st = stipes, mp = maxillary palp, ga = galea, la = lacinia. (6) Labium: me = mentum, pg = palpiger, lp = labial palp, li = ligula. Scale bars = 0.1 mm.