Chinavia armigera (Stål, 1859)

(Figs 24–26)

Rhaphigaster armiger Stål, 1859: 229 .

Nezara (Acrosternum) armigera: Stål, 1872b: 43 .

Nezara armigera: Berg, 1878: 28 .

Acrosternum armigera: Pennington, 1920: 9; Costa & Link 1974: 398.

Acrosternum (Chinavia) armigerum: Rolston, 1983: 108 .

Chinavia armigera: Schwertner & Grazia, 2007: 425; Fürstenau et al. 2013: 61–64, table 1, figs 1–6, 75–78 (key); Matesco et al. 2014: 368, figs 6, 47–48, 49–51; Servino & Schwertner, 2020 (electronic key).

Material studied. Júlio de Castilhos: 1♂, 19.X.1981, Link & Costa leg., “Tremoço” (UFRG) . Santa Maria: 1♀, X.1984, “Tremoço azul”, Equipe DFS/UFRGS leg. (UFRG) ; 1♀, 02.X.1970, M. F. Tarragó leg., “s/ [sobre] Trigo”, J. Grazia det. 1973 (UFRG); 1♀, 18.IX.1970, D. Link leg., “s/ [sobre] Alcachofra”, J. Grazia det. 1973 (UFRG) .

Diagnostic features. Body green to light green (Figs 24, 25), lateral margins yellowish; some specimens may have a narrow light yellow band near mandibular plates. Humeral angles produced into a spine (Fig. 25) (Schwertner & Grazia 2007). Abdominal spine reaching metacoxae. Spiracles black (Servino & Schwertner 2020). Body length: 10.00–13.00 mm (Schwertner & Grazia 2007).

Recorded host plants. Soybean and wheat (Schwertner & Grazia 2007).

Distribution in Rio Grande do Sul. Júlio de Castilhos, Rio Grande and Santa Maria (Fig. 26).

New records. Júlio de Castilhos.