Edessa (E.) helix Erichson, 1848 (See Silva et al. 2017 — Figs. 12–16; 29–30; 35–36; Figs. 26 E,F, 32 A,B) Edessa helix Erichson, 1848: 610; Walker, 1868: 428; Stål, 1872: 60; Lethierry & Severin, 1893: 190; Pittier & Biolley, 1895: 14; Distant, 1900: 428; Kirkaldy, 1909: 158; Campos, 1919: 52; 1925: 52; Froeschner, 1981: 66; Fernandes et al., 2015: 512; Silva et al., 2017: 263; Silva et al., 2018: 420. Edessa helix. Lectotype male. Brit. Guyan. Schomburgk / nr 240/ helix n. Br. Guy. Schomb. (MNKB). Edessa helix. Paralectotype female. Same data (MNKB). Designated by Silva et al. 2017. Diagnose. See Silva et al. (2017). Additional material. BRAZIL, Mato Grosso: 1♀, Rio Caraguata, 16-VII-1950, F. Plauman (Edessa (Edessa) urotaurus Breddin — Det. J. C. Lutz) (USNM). BOLIVIA, Santa Cruz: 1♀, Buena Vista, 1–2-V-2004, Wappes & Cline (JEE). Comments. This species resembles Edessa (E.) helicoceras, but the humeral angle of the former is straight and less slopping frontwards than the later (Fig. 26 E,F). Also, ventral side of E. (E.) helix has narrow dark bands on intersegmental area and pseudosutures (Fig. 26 F). Distribution (Fig. 32 A,B): See Silva et al. (2017); BOLIVIA: Santa Cruz.

Published as part of Mendonça, Maria Thayane Da Silva, Silva, Valéria Juliete Da & Fernandes, José Antônio Marin, 2023, Diagnose of the nominal subgenus of Edessa and description of the E. sexdens group (Heteroptera, Pentatomidae, Edessinae), pp. 1-63 in Zootaxa 5240 (1) on page 26, DOI: 10.11646/zootaxa.5240.1.1, http://zenodo.org/record/7639547