Chinavia impicticornis (Stål, 1872)

Barros, Lurdiana D., Paim, Marcelo R., Krein, Verônica, Carabajal, Victor, Brandão, Marcela N., Bernardes, Paula De O. & Lindner, Mariana F., 2021, Illustrated guide to Pentatominae (Hemiptera: Pentatomidae) species associated with the four main grain crops in Rio Grande do Sul state, Brazil, Zootaxa 4958 (1), pp. 430-478 : 445

Chinavia impicticornis (Stål, 1872)

( Figs 37–40 )

Nezara (Acrosternum) impicticornis Stål, 1872: 42 .

Nezara vicina Berg, 1892: 8 .

Nezara (Acrosternum) vicina: Kirkaldy, 1909: 120 .

Acrosternum vicina: Pennington, 1920: 9 ; Pirán, 1963: 337.

Acrosternum impicticorne: Grazia, 1977: 163 ; Grazia et al. 1982;

Acrosternum (Chinavia) impicticorne: Rolston, 1983: 167 ; Link & Grazia, 1987: 117; Panizzi 2002: 331–332.

Chinavia impicticornis: Schwertner & Grazia, 2007: 428 ; Grazia & Schwertner, 2008: 233; Genevcius et al. 2012: 4 (table), 6 (table), 7–8, 11, 14, 19; Fürstenau et al. 2013: 74–78 (key); Bianchi et al. 2019; Servino & Schwertner, 2020 (electronic key).

Material studied. Cacequi: 1♀, 19.V.1984, R. Ragagnin leg., J. Grazia det. 1986 ( UFRG) .

Diagnostic features. Body light green, antenna green, cicatrices of pronotum darker ( Fig. 38 , black arrow). Basal angles of scutellum dark ( Fig. 37 ). Legs green ( Fig. 39 ). Connexivum orange, with a black spot at posterior margins ( Fig. 37 ).Abdominal spine reaching metacoxae.Spiracles green. Body length: 11.00–16.00 mm ( Schwertner & Grazia 2007).

Recorded host plants. Canola ( Bianchi et al. 2019) and Soybean ( Grazia et al. 1982; Link & Grazia 1987).

Distribution in Rio Grande do Sul. Cacequi, Santa Maria and Passo Fundo ( Fig. 40 ).

Figures

FIGURES 37–40. Chinavia impicticornis. 37: Dorsal view, scale bar = 1.0 mm. 38: Head and anterior margin of pronotum. 39: Ventral view of thorax and abdomen, showing legs and abdominal spine. 40: Distribution within Rio Grande do Sul.