Thyanta (Thyanta) perditor ( Fabricius, 1794 )

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 : 467-468

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 ).

Figures

FIGURES 107–108. Thyanta (Thyanta) perditor. 107: Dorsal view, scale bar = 1.0 mm. 108: Distribution within Rio Grande do Sul.