Stysiana meridionalis Grazia, Fernandes & Schwertner, 1999

Figs 54, 144, 160–165, 184

Stysiana meridionalis Grazia, Fernandes & Schwertner, 1999: 78–79, figs 3, 6, 10, 14, 18, 31, 35; Ruschel et al. 2013: 559, fig. 3e; Coscarón, 2017: 232.

Type material examined. Holotype ♂, BRAZIL, Santa Catarina, [Florianópolis], Morro das Pedras, 22.I.1957, Pe. Buck leg. (MCNZ) <illustrated specimen >. Paratypes: ARGENTINA, ♀, [Buenos Aires], Buenos Aires, J.B. Daguerre leg. (MACN) <illustrated specimen>; ♂ (UFRG) <illustrated specimen >.

Diagnosis. Mesial margins of mandibular plates apically divergent. Mesosternum carinate. Median furrow of the peritreme long, reaching more than half of peritreme. Gyrification of evaporatorium with low wrinkles (Fig. 162). Anterolateral angles of sternites dark-brown. Spiracles dark-brown (Figs 161, 163).

Measurements. See Table 1.

Male genitalia. Genital cup occupying less than half of pygophore length. Middle region of dorsal rim entire (see Grazia, Fernandes & Schwertner, 1998: 75–78, figs 6, 10, 14, 18).

Female genitalia. Anterior margins of valvifers 9 straight. Posterior margins of laterotergites 8 obtusely projected (Fig. 164). Proximal ductus receptaculi with greater diameter than the ductus inside vesicular area. Annular flanges convergent related to each other (Figs 54, 165).

Distribution. Brazil (Santa Catarina); Argentina (Buenos Aires) (Fig. 184).