(Figs 59–62)
Euschistus (Lycipta) picticornis Stål, 1872b: 23; Rolston, 1982: 291–293.
Euschistus picticornis: Berg, 1879: 280; Berg, 1883: 206; Kirkaldy, 1909: 65; Pennington, 1920: 8; Pirán, 1948: 11.
Material studied. Caçapava do sul: 1♀, mata ciliar, campo, 15.VI.2003, varredura, Bunde & Silva leg. (UFRG); Rio Grande: 1♂, 4♀, Estação Ecológica do Taim, BR 47 Km 96, 04–05.XII.2010, B. B. R. J, Fürstenau & R. J. Fürstenau leg. (UFRG). São Francisco de Paula: 1♀, Floresta Nacional de São Francisco de Paula, 13.I.2007, C. F., Schwertner leg. (UFRG).
Diagnostic features. Body dorsal and ventral surfaces dark castaneous, with wrinkled appearance (Fig. 59). Mandibular plates subequal to clypeus, rounded apically (Fig. 61). Anterolateral margins of pronotum concave and with spaced denticles. Humeral angles dark castaneous to reddish castaneous, strongly developed, rounded apically and directed anterolaterally (Fig. 61). Pronotum, scutellum and corium with pale spots, impunctate. Apex of scutellum with a large pale yellow callosity (Fig. 59). Legs with dark castaneous spots. Veins of the membranous portion of hemelytra reticulate (Fig. 60, black arrow). Connexivum dark castaneous to greenish castaneous with dark spot on angles, posterior angle produced (Fig. 59). Body length: 10.00 mm.
Recorded host plants. Canola (Marsaro Jr. et al. 2017; Bianchi et al. 2019), rice (Grazia 1977; Link & Grazia 1987) and soybean (Lopes et al. 1974; Link & Grazia 1987).
Distribution in Rio Grande do Sul. Caçapava do Sul, Passo Fundo, Rio Grande, Santa Maria, São Francisco de Paula and Sobradinho (Fig. 62).
New records. Caçapava do Sul.