Mormidea Amyot & Audinet-Serville 1843

Abstract

Mormidea v-luteum (Lichtenstein, 1796) (Figs 88–91) Cimex V-luteum Lichtenstein, 1796: 106. Mormidea (Mormidea) croceipes: Berg, 1878: 299. Mormidea (Mormidea) spegazinii Berg, 1883: 204; Kirkaldy, 1909, 61; Pennington, 1920: 8. Mormidea (Mormidea) v -luteum: Kirkaldy, 1909: 59; Pennington, 1920: 8; Rolston, 1978: 208. Material studied. Guaíba: 1♂, 22.X.1985, M. C. Del Vecchio leg. (UFRG). Júlio de Castilhos: 1♀, 14.X.1981, Tremoço, J. Grazia det. 1986 (UFRG); 1♀, 19.XI.1981, Link & Costa leg., Tremoço, J. Grazia det. 1986 (UFRG). Santa Maria: 1♀, 04.II.1986, D. Link leg., J. Grazia det. 1986 (UFRG). Rio Grande: 1♀, Estação Ecológica do Taim, 17.III.1982, J. Grazia leg., J. Grazia det. 19?? (UFRG). Diagnostic features. Body dorsal surface black, with pale yellow spots next to cicatrices of pronotum (Fig. 88); ventral surface yellow. Anterolateral margins of pronotum concave. Humeral angles with variable development, from a small round projection (Fig. 90) to an acute spine (Fig. 89). Basal angles, basal half of lateral margins and apex of scutellum, and apex of radial vein of corium with a pale yellow callosity each (Fig. 88). Connexivum of variable color, from pale green to orange. Body length: 7.50– 8.50 mm (Garbelotto & Campos 2014). Recorded host plants. Canola (Bianchi et al. 2019), rice (Grazia 1977; Martins et al. 1986; Link & Grazia 1987), soybean (Costa & Link 1974; Lopes et al. 1974) and wheat (Lopes et al. 1974). Distribution in Rio Grande do Sul. Guaíba, Júlio de Castilhos, Passo Fundo, Pelotas, Rio Grande, Santa Maria, São Francisco de Paula, São Sepé and Viamão (Fig. 91).