Arvelius albopunctatus ( De Geer, 1773 )

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 : 439-440

Arvelius albopunctatus ( De Geer, 1773)

( Figs 20–23 )

Cimex albopunctatus De Geer, 1773: 331–332 , pl. 34, fig. 6.

Cimex gladiator Fabricius, 1775: 705 (syn. by Lepeletier & Serville, 1825).

Arvelius albopunctatus: Amyot & Serville, 1843: 150–151 ; Costa & Link, 1974: 399.

Material studied. Eldorado do Sul: 1♂, Est [ação] Agron [ômica], Universidade Federal do Rio Grande do Sul, 28.III.2015, N. Pires leg. ( UFRG) . Itaara : 1♀, Barragem , 2006, R. Costa e Silva & J. Garlet leg. ( UFRG) . Jóia , 1♂, 2009, M. F.Aguero leg. ( UFRG) . São Domingos do Sul: 2♀, 13.VII.2018, R. Brugnera, leg. ( UFRG) . São Francisco de Paula : 1♀, Pro-Mata , 22.XI.1997, C. Weirauch leg. ( UFRG) .

Diagnostic features. Body green in living specimens, muted yellow in pinned specimens. Mandibular plates longer than clypeus ( Fig. 22 ) ( Brailovsky 1981). Pronotal disc and scutellum with black punctuations ( Figs 20, 22 ). Anterolateral margins of pronotum sub rectilinear to strongly concave, and crenulated ( Fig. 22 ). Humeral angles yellowish and projected laterally. Corium with yellowish punctures ( Fig. 20 ). Body length: 13.80–16.00 mm ( Garbelotto & Campos 2014).

Recorded host plants. Soybean ( Costa & Link 1974; Link & Grazia 1987; Garbelotto & Campos 2014).

Distribution in Rio Grande do Sul. Eldorado do Sul, Itaara, Jóia, Santa Maria, São Sepé, São Domingos do Sul and São Francisco de Paula ( Fig. 23 ).

New records. Eldorado do Sul, Itaara, Jóia, São Domingos do Sul and São Francisco de Paula.

Figures

FIGURES 20–23. Arvelius albopunctatus. 20: Dorsal view, scale bar = 1.0 mm. 21: Ventral view, abdominal spine (red arrow). 22: Head and pronotum. 23: Distribution within Rio Grande do Sul.