Tynacantha splendens Distant, 1889

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 : 451-452

Tynacantha splendens Distant, 1889

( Figures 4–5 , 10–12 , 24–28 , 37–39 , 56 )

Tynacantha splendens Distant, 1889: 321 ; Schouteden, 1907: 59; Kirkaldy, 1909: 16; Thomas, 1992: 123; Cumbra et al., 2018: 5.

Material examined. Type material: Lectotype ♂, PANAMA, Bugaba, 800-1500 ft. Champion, B.C.A., Hem. I. Tynacantha splendens Dist. ”, NHMUK 010592342 . ( BMNH) ; Additional material: 3 ♂ COSTA RICA, Turrialba, Collection Schield-Burgdorf ( USNM).

Diagnosis. Dorsal coloration dark with bright green or blue reflections ( Figs 4 , 10, 12 ); abdominal sternites with two rows of black spots, one in the lateral margin and one mediolateral ( Figs 5 , 11 ); apex of scutellum with a pale calloused spot, occupying half of the postfrenal lobe; punctures concolorous, shallow and spaced; membrane of hemelytra entirely translucent; intersegmental areas of connexivum concolorous with dorsal corium; branches of parameres as long as wide ( Fig. 27 ).

Measurements. Total length, ♂ 9.60 ± 0.07 (9.44–9.60); width of abdomen across segment III, ♂ 4.68 ± 0.08 (4.56–4.80); head: length, ♂ 1.84 ± 0.08 (1.76–2.00); width, ♂ 1.92 ± 0.08 (1.84–2.08); pronotum: length, ♂ 2.20 ± 0.01 (2.20–2.24); width, ♂ 4.80 ± 0.21 (4.80–5.28); scutellum: length, ♂ 3.40 ± 0.09 (3.36–3.60); width, ♂ 3.04 ± 0.16 (2.88–3.32); length of antennal segments: I, ♂ 0.36 ± 0.01 (0.32–0.36); II, ♂ 1.28 ± 0.01 (1.24–1.28); III, ♂ 1.06 ± 0.02 (1.04–1.08); IV, ♂ 1.20; V, ♂ 1.24; length of labial segments: I, ♂ 1.20 ± 0.01 (1.16–1.20); II, ♂ 1.48 ± 0.06 (1.44–1.60); III, ♂ 1.00 ± 0.01 (1.00–1.04); VI, ♂ 0.76 ± 0.01 (0.76–0.80).

Distribution. Costa Rica and Panama ( Fig. 56 ).

Remarks. Female unknown.

Figures

FIGURES 1–6. Lectotypes of T. marginata and T. splendes and their respective labels. 1–3, Tynacantha marginata. 4–6, Tynacantha splendens. (photos by T. Roell)

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 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.