Stysiana tropicalis Grazia, Fernandes & Schwertner, 1999

Figs 146, 171–183, 184

Stysiana tropicalis Grazia, Fernandes & Schwertner, 1999: 82–81, figs 4, 8, 12, 16, 20, 23, 26, 29, 33, 37; Silva et al. 2018: 433.

Type material. Holotype ♂, BRAZIL, Maranhão, São Luís, 18.VI.1984, A. Brisolla leg. (MZUSP) <illustrated specimen >. Paratypes: SURINAME, ♀, Paramaribo, [Paramaribo], 15.I.1958, P.H.v. Doesburg Jr. leg. (RMNH); BRAZIL, ♀, Maranhão, São Luís, 5.V.1987, A. Brisolla leg. (UFRG) <illustrated specimen> . ♀, Rondônia, Ouro Preto D’Oeste, 17.I.1985, A. Mendes leg. (UFRG) <illustrated specimen>.

Diagnosis. Mesial margins of mandibular plates apically convergent (Fig. 173). Labiomere 2 larger than labiomeres 3 and 4 combined (Fig. 174). Gyrification of evaporatorium with high wrinkles. Anterolateral angles of sternites dark-brown. Spiracles dark-brown. Mesial area adjacent to spiracles with callosity (Fig. 172).

Measurements. See Table 1.

Male genitalia. Genital cup occupying less than half of pygophore length. Middle region of dorsal rim entire (Figs 175–177). Phallus (Figs 178–181): Dorsal connectives shorter, not reaching the distal half of phallotheca. Dorsal processes of phallotheca medially narrow. Conjunctiva with two pairs of processes, acute apically (Fig. 181).

Female genitalia. Anterior margins of valvifers 9 straight. Posterior margins of laterotergites 8 straight (Figs 182–183). Proximal ductus receptaculi with equal diameter than the ductus inside vesicular area. Annular flanges divergent related to each other (see Grazia, Fernandes & Schwertner, 1999: 81, fig. 37).

Distribution. Trinidad and Tobago; Suriname; Brazil (Maranhão, Rondônia, and Espírito Santo) (Fig. 184).