Tynacantha cuprea Brugnera & Grazia, 2019

Brugnera, Ricardo, Campos, Luiz Alexandre & Grazia, Jocelia, 2019, Revision of Tynacantha Dallas with description of two new species (Hemiptera: Heteroptera: Pentatomidae: Asopinae), Zootaxa 4656 (3), pp. 445-458 : 453-454

Tynacantha cuprea Brugnera & Grazia sp. nov.

( Figures 13–15 , 29–33 , 40–42 , 49–51 , 55 )

Holotype ♂, BRAZIL, Pará, Belém, UFPA, 15.XI.2013 ( MZUSP) . Paratypes: 1 ♂ 1 ♀, BRAZIL, Pará, Belém, CEPLAC ( UFRG) . 1 ♀, BRAZIL, Pará, Belém, CEPLAC ( MZUSP) .

Diagnosis. Dorsal coloration light brown, scutellum with a calloused, crescent-like pale spot; punctures deep and close to each other; intersegmental areas of connexivum light brown ( Figs 13–15 ); inner branch of parameres slightly longer than outer branch ( Fig. 32 ); sutural margins of gonocoxites VIII juxtaposed; posterior margins of gonocoxites VIII almost rectilinear ( Figs 49–50 ); capsula seminalis distinctly longer than pars intermedialis ( Fig. 51 ).

Measurements. Total length, ♀ 11.96 ± 0.12 (11.84–12.08) ♂ 10.36 ± 0.28 (10.08–10.64); width of abdomen across segment III, ♀ missing ♂ 4.98 ± 0.02 (4.96–5.00); head: length, ♀ 2.14 ± 0.02 (2.12–2.16) ♂ 2.04 ± 0.04 (2.00–2.08); width, 2.14 ± 0.02 (2.12–2.16) ♂ 2.04 ± 0.04 (2.00–2.08); pronotum: length, ♀ 2.66 ± 0.14 (2.52–2.80) ♂ 2.28 ± 0.12 (2.16–2.40); width, ♀ 6.04 ± 0.20 (5.84–6.24) ♂ 5.32 ± 0.12 (5.20–5.44); scutellum: length, ♀ 4.28 ± 0.12 (4.16–4.40) ♂ 3.50 ± 0.10 (3.40–3.60); width, ♀ 3.92 ± 0.12 (3.80–4.04) ♂ 3.12 ± 0.08 (3.04–3.20); length of antennal segments: I, ♀ 0.34 ± 0.02 (0.32–0.36) ♂ 0.34 ± 0.02 (0.32–0.36); II, ♀ 1.54 ± 0.10 (1.44–1.64) ♂ 1.52 ± 0.04 (1.48–1.56); III, ♀ 1.38 ± 0.10 (1.28–1.48) ♂ 1.30 ± 0.02 (1.28–1.32); IV, ♀ missing ♂ 1.40; V, ♀ missing ♂ 1.44; length of labial segments: I, ♀ 1.46 ± 0.06 (1.40–1.52) ♂ 1.34 ± 0.06 (1.28–1.40); II, ♀ 1.92 ± 0.08 (1.84– 2.00) ♂ 1.80; III, ♀ 1.00 ± 0.00 (1.00–1.00) ♂ 0.98 ± 0.02 (0.96–1.00); VI, ♀ 0.80 ♂ 0.76 ± 0.04 (0.72–0.80).

Etymology. From cupreus (Latin), in reference to the coppery color of dorsal surface.

Distribution. BRAZIL (Pará) ( Fig. 55 ).

Figures

FIGURES 7–18. Habitus of species of Tynacantha in dorsal, ventral and head + pronotum views, respectively. 7–9, Tynacantha marginata; 10–12, Tynacantha splendens; 13–15, Tynacantha cuprea sp. nov.; 16–18, Tynacantha umeridenigrata sp. nov.. Scale bars: 1 mm.

FIGURES 19–33. Pygophore of species of Tynacantha. Pygophore in dorsal (19, 24, 29), posterior (20, 25, 30), and ventral (21, 26, 31) views. Left paramere (22, 27, 32). Left superior process of dorsal rim (23, 28, 33). 19–23, Tynacantha marginata; 24–28, Tynacantha splendens. 29–33, Tynacantha cuprea sp. nov.. Abbreviations: dr = dorsal rim; par = paramere; slvr = superior layer of ventral rim; spdr = superior process of dorsal rim; vr = ventral rim. Scale bars: 19–21, 24–26, 29–31 = 1 mm; 22–23, 27–28, 32–33 = 0,1 mm.

FIGURES 34–45. Phallus of species of Tynacantha. Phallus in dorsal (34, 37, 40, 43), lateral (35, 38, 41, 44), and ventral (36, 39, 42, 45) views. 34–36, Tynacantha marginata; 37–39, Tynacantha splendens; 40–42, Tynacantha cuprea sp. nov.; 43–45, generalized phallus. Abbreviations: ap = apical conjunctiva; bt = basal theca; lc = lobes of conjunctiva; sg = secondary gono- pore; ts = thecal shield; v = vesica. Scale bars: 0,1 mm.

FIGURES 46–53. Female external and internal genitalia of Tynacantha. Genital plates (46–47, 49–50, 52–53). Internal genitalia (48, 51). 46–48, Tynacantha marginata; 49–51, Tynacantha cuprea sp. nov.; 53–53, Tynacantha umeridenigrata sp. nov.. Abbreviations: aaf = anterior annular flange; cs = capsula seminalis; drd = ductus receptaculi distalis; drp = ductus receptaculi proximalis; paf = posterior annular flange; pi = pars intermedialis; rs = ring sclerites; st = secondary thickening of gonapophyses IX; tvi = thickening of vaginal intima; va = vesicular area Scale bars: 46–47, 49–50, 52–53 = 1 mm; 48–51 = 0,1 mm.

FIGURES 54–56. Geographic distribution of the species of Tynacantha. 54, Tynacantha marginata; 55, Tynacantha cuprea sp. nov. and Tynacantha umeridenigrata sp. nov.; 56, Tynacantha splendens.