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.