Thyanta (Thyanta) perditor (Fabricius, 1794)

(Figs 107–108)

Cimex perditor Fabricius, 1794: 102 .

Thyanta perditor: Pennington, 1920: 9; Rider & Chapin, 1991: 10.

Material studied. Alecrim: 27.X.1982, R. Golfetto leg., J. Grazia det. 1986 (UFRG) . Júlio de Castilhos: 1♂, 19.X.1981, “Tremoço”, J. Grazia det. 1986 (UFRG) . Santa Maria: 1♂, 1♀, XI.1981, Linho, D. Link leg., J. Grazia det. 1986 (UFRG) .

Diagnostic features. Body dorsal and ventral surfaces green. Ferruginous macule on dorsal median area of head (Fig. 107). Mandibular plates subequal to clypeus and rounded apically. Pronotum with a red transumeral band; cicatrices of pronotum with dark internal angles. Anterolateral margins of pronotum slightly concave (Fig. 107). Humeral angles developed, acute apically, directed anterolaterally (Fig. 107). Connexivum with yellow to orange macule. Body length: 10.50–11.00 mm (Garbelotto & Campos 2014).

Recorded host plants. Canola (Marsaro Jr. et al. 2017; Bianchi et al. 2019), maize (Tomacheski & Panizzi 2018), oat (Pereira & Salvadori 2020), rice (Panizzi et al. 2012), soybean (Tomacheski & Panizzi 2018) and wheat (Pereira & Salvadori 2011).

Distribution in Rio Grande do Sul. Alecrim, Júlio de Castilhos and Passo Fundo (Fig. 108).