Styphlidius Penecke, 1936

Christoph Germann, 2015, On the genus Styphlidius Penecke, 1936 with description of S. pelops sp. nov. from Greece (Coleoptera, Curculionidae), Revue suisse de Zoologie 122 (2), pp. 399-405 : 399-400

Genus Styphlidius Penecke, 1936

Type species: Adexius corcyreus Reitter, 1884 .

Remark: The examination of specimens of all taxa of Styphlidius ( Figs 1-9) except S. globosus [depicted in turn in Osella (1981)] allowed raising brevisetis and globosus to species level based on the morphological differences given in the key below. Furthermore a new fifth species of the genus is described below.

Additional localities used to draw the map ( Fig. 20) were taken from Osella (1981), Osella & Zuppa (1994) and Bahr et al. (2015).

Species included:

S. corcyreus (Reitter, 1884) : Greece (Corfu, mainland), Albania (data given below)

S. italicus Osella, 1981 : Italy (incl. Sicily)

S. brevisetis Osella, 1981 : Greece (Kephalonia)

S. globosus Osella, 1981 : Greece (Levkas)

S. pelops sp. nov.: Greece (Peloponnese)

Identification key for the genus Styphlidius :

1 Shape of elytra globose. Pronotum big and broad ( Figs 3-4)...................................................................................2

- Shape of elytra either rhomboidal or oval to oblong-oval. Pronotum smaller and less broad.................................3

2 Uneven intervals on elytra with very long, weakly bowed bristles (at least as long as the span from first to third interval). Penis narrow with pointed apex (fig. 4 in Osella, 1981).................................... S. globosus Osella, 1981

- Uneven intervals with shorter, straight bristles (much shorter than the span from the first to the third interval). Penis with strongly sclerotized margin and oblong oval shape ( Fig. 11)................................... S. brevisetis Osella, 1981

3 Shape of elytra rhomboidal, broadest behind last third ( Figs 5 & 6), uneven intervals stronger elevated than even ones, striae and intervals less dense standing. Penis broad and parallel sided to slightly diverging towards tip in dorsal view, broad in lateral view ( Figs 13-15) ............................................................................. S. pelops sp. nov.

- Shape of elytra oval to oblong oval, broadest in or just behind middle ( Figs 1-2, 7-9), uneven intervals only slightly stronger elevated than even ones, striae and intervals denser standing....................................................................4

4 Uneven intervals on elytra with very long and raised bristles (at least as long as the span from first to third interval). Penis as Fig. 12............................................................................................................. S. corcyreus (Reitter, 1884)

- Uneven intervals with shorter bristles (shorter than the span from the first to the third interval). Penis as Fig. 10.. .............................................................................................................................................. S. italicus Osella, 1981