Amauromelpia ussu Fernandes & Grazia, 1998

Figs 2, 6, 10, 15–16, 22, 25, 30–32, 42–44, 53, 113, 126–134, 135

Amauromelpia ussu Fernandes & Grazia, 1998a: 155–157, figs 1–5, 10–12, 16, 18, 19; Barão et al. 2017: 110; Silva et al. 2018: 427.

Type material examined. Holotype ♂, BRAZIL, [Careiro], Janauacá, 29.VII.1978, W. Benson leg. (DZUP) <illustrated specimen >. Paratypes: BRAZIL, Pará, ♀, Gurupaiti [Curupaiti], 13–17.IX.1930, Holt, Blako & Agostini leg. (USNM) ; ♀, Prainha, 6.I.1920, D. Mendes leg. (LUND); ♂, (UFRG); ♂, (USNM) . Amazonas, ♂, [Careiro], Janauacá, 29.VII.1978, W. Benson leg. (MZUSP); 1♂ <illustrated specimen> 1♀, (UFRG) ; ♀, Benjamin Constant, XI.1962, A. Silva leg. (UFRG); ♀, [Lábrea], Médio Purus, 17.X.1979, J. Campbell leg. (INPA) ; ♀, Manaus, Puraquequara, 6–9.VIII.1991, C.S. Motta; F.A. Peralta & B.R. Teles leg. (FUNAM) .

Other material examined. VENEZUELA, 2♀, Barinas, Reserva Forestal Caparo-camp. Cachicamos, 6– 14.VIII.1969, J. Saleedo & F. Zambrano leg. (MIZA) , <new record>; BRAZIL, Pará, ♀, Óbidos, 9.XII.1974, R. Leal leg. (MCNZ –12398), <illustrated specimen>, <new record >; Amazonas, ♀, Benjamin Constant, IV.1962, Dirings leg. (UFRG) . No data: ♀ (UFRG) .

Diagnosis. Mandibular plates shorter than clypeus (Figs 2, 6). Anterolateral margins of pronotum crenulated (Figs 2, 126).

Measurements. See Table 1.

Male genitalia. Posterolateral angles of pygophore rounded. Genital cup occupying more than half of pygophore length. Area between layers of ventral rim excavated. Segment X not carinate (Figs 30–32). Phallus (Figs 42–44, 129–132): Dorsal connectives equal in length, reaching the distal half of phallotheca. Dorsal processes of phallotheca narrower at the apex, and folded up, in angle 90º.

Female genitalia. Posterior margins of valvifers 8 sinuous. Laterotergites 9 not surpassing abdominal tergite 8. Mesial margins of laterotergites 9 divergent (Fig. 133). Distal ductus receptaculi convoluted. Capsula seminalis with a process (Figs 53, 134).

Distribution. Costa Rica; Venezuela (Barinas); French Guyana; Brazil (Pará, and Amazonas); Bolivia (Beni) (Fig. 135).