Amauromelpia ussu Fernandes & Grazia, 1998

Barros, Lurdiana D., Barão, Kim R. & Grazia, Jocelia, 2021, Taxonomic updates on the Mecocephala group (Hemiptera: Pentatomidae) Redescription of ‘ Hypatropis complex’, with a review of genitalic terminology and new records, Zootaxa 4981 (1), pp. 1-46 : 22-23

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 ).

Figures

FIGURE 135. Occurrence records of the species of Amauromelpia.

FIGURES 1–12. Head and pronotum. 1–4: dorsal view; 5–8: detail of anterior angles of pronotum; 9–12: lateral view. 1, 5: Hypatropis inermis; 9: Hypatropis australis; 2, 6, 10: Amauromelpia ussu; 3, 7, 11: Luridocimex wygodzinskyi; 4, 8, 12: Stysiana acarinatis. Abbreviations: aap, anterior angle of pronotum. Scale bars = 0.5 mm.

FIGURES 13–20. Head and pronotum in ventral view and habitus lateral. 13: Hypatropis inermis; 14: Hypatropis rolstoni; 15–16: Amauromelpia ussu; 17–18: Luridocimex wygodzinskyi; 19–20: Stysiana pardidens. Scale bars = 0.5 mm.

FIGURES 21–26. SEM images of external scent efferent system of metasternal glands. 21–26: evaporatorium; 24–26: detail of evaporatorium. 21, 24: Hypatropis sternalis; 22, 25: Amauromelpia ussu; 23, 26: Stysiana acarinatis. Abbreviations: am, anterolateral margin; ev, evaporatorium; ms, mesopleuron; mt, metapleuron; o, ostiole; om, outer margin; per, peritreme; pod, periostiolar depression. Scale bars = 21–23: 500 μm; 24–26: 100 μm.

FIGURES 27–38. Male genitalia. Pygophore in dorsal, posterior and ventral view, respectively. 27–29: Hypatropis inermis; 30–32: Amauromelpia ussu; 33–35: Luridocimex wygodzinskyi: 36-38: Stysiana pardidens. Abbreviations: dr, dorsal rim; ilvr, inferior layer of ventral rim; slvr, superior layer of ventral rim; spp, superior process of pygophore; vr, ventral rim. Scale bars = 0.5 mm.

FIGURES 39–47. Generalized scheme of Phallus. 39–41: Generalized scheme of Hypatropis. 42–44: Amauromelpia ussu; 45–47: Generalized scheme of Stysiana. Abbreviations: aa, articulatory apparatus; cj, conjunctiva; dc, dorsal connectives; dpph, dorsal process of phallotheca; mlcj, median lobe of conjunctiva; pc, processus capitati; pcj, process of conjunctiva; pdpph, posterodorsal projection of phallotheca; ph, phallotheca; plppha, posterolateral projection of phallotheca; pve, process of vesicae; vbpph, ventrobasal projection of phallotheca; vlcj; ventral lobe of conjunctiva. Scale bars = 0.2 mm.

FIGURES 52–54. Female receptaculum seminis and aussenwand. 52, Hypatropis inermis; 53, Amauromelpia ussu; 54, Stysiana meridionalis. Abbreviations: aaf, anterior annular flange; cs, capsula seminalis; ddr, distal ductus receptaculi; paf, posterior annular flange; pdr, proximal ductus receptaculi; pi, pars intermedialis; la9, laterotergites 9; rs, ring sclerite; tvi, thickening of vaginal intima; va, vesicular area; va9, valvulae 9; vf9, valvifers 9; X, abdominal segment X. Scale bars = 52, 54: 0.5 mm; 53, 1.0 mm.

FIGURES 112–114. Amauromelpia Fernandes & Grazia, 1998 and Luridocimex Grazia, Fernandes & Schwertner, 1998. Holotype, habitus dorsal. 112: A. miri; 113: A. ussu; 114: L. wygodzinskyi. Scale bars = 1.0 mm.

FIGURES 126–134. Amauromelpia ussu Fernandes & Grazia, 1998. 126–127: Habitus dorsal and ventral; 128: Spiracles; 129–132: Phallus in dorsal, lateral, ventral and posterolateral view. Abbreviations: pcj, processes of conjunctiva; pi, pars intermedialis; st, secondary thickenings of valvulae 9; va, vesicular area. Scale bars = 126–127: 1.0 mm; 129–134: 0.50 mm. Ductus not preserved.