Mayrinia curvidens ( Mayr, 1864 )

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 : 459

Mayrinia curvidens ( Mayr, 1864)

( Figs 82–84 )

Loxa curvidens Mayr, 1864: 909 .

Mayrinia curvidens: Pirán, 1956: 30 ; Grazia-Vieira, 1972: 119–121.

Material studied. Derrubadas: 1♀, Parque Estadual do Turvo, Trilha Salto Yucumá , 19.IV.2004, J. L. C. Bernardes leg. ( UFRG) ; 1♂, Parque Estadual do Turvo , 17.IV.2004, J. L. C. Bernardes leg. ( UFRG) . Maquiné: 1♂, Forqueta , varredura, 16.IX.2006, A. Ferrari leg., J. Grazia det. 2006, LES–936 ( UFRG) ; 2♀, Sítio da Amizade , inspeção visual, 27.V.2006, A. Ferrari & L. M. Weiler leg., J. Grazia det. 2006, LES–930, 932 ( UFRG) . São Francisco de Paula: 1♀, Floresta Nacional de São Francisco de Paula, Trilha 1, Varredura , 09.VI.2006, A. Frey da Silva leg., J. Grazia det. 2006 ( UFRG) .

Diagnostic features. Body dorsal and ventral surfaces green ( Fig. 82 ), antennae reddish. Mandibular plates longer than clypeus. Anterolateral margins of pronotum concave and with spaced denticles. Humeral angles slightly developed, acute apically and anteriorly directed, black ( Fig. 83 ). Each corium with one pale calosity. Connexivum concealed and immaculate. Body length: 11.00–14.00 mm ( Garbelotto & Campos 2014).

Recorded host plants. Rice ( Lopes et al. 1974; Link & Grazia 1987) and soybean ( Costa & Link 1974; Lopes et al. 1974; Link & Grazia 1987).

Distribution in Rio Grande do Sul. Derrubadas, Maquiné, Pelotas, Porto Alegre, Santa Maria, São Francisco de Paula, São Leopoldo and São Sepé ( Fig. 84 ).

New records. Derrubadas, Maquiné and São Francisco de Paula.

Figures

FIGURES 82–84. Mayrinia curvidens. 82: Dorsal view, scale bar = 1.0 mm. 83: Head and pronotum. 84: Distribution within Rio Grande do Sul.