Melzerus difficilis ( Melzer, 1934 )

Monné, Marcela L. & Monné, Miguel A., 2006, Notes on Acanthoderini (Coleoptera, Cerambycidae, Lamiinae) described by Ernst Fuchs, now in the Herbert Schmid Collection, Vienna, Austria, Zootaxa 1365, pp. 37-47 : 40-41

Melzerus difficilis ( Melzer, 1934)

Fig. 4

Idiomerus difficilis Melzer, 1934: 98 , pl. 2, fig. 13; Zikán & Wygodzinsky, 1948: 54 (type). Melzerus difficilis ; Monné, 2005: 179.

Acanthoderes (Psapharochrus) minuta Fuchs, 1958: 57 ; Viana, 1972: 375 (distr.). syn. nov. Psapharochrus minutus ; Monné, 2005: 209.

The comparison between specimens of the MNRJ with the holotype male of Idiomerus difficilis Melzer, 1934 (MZSP) and the male holotype photo of Acanthoderes (Psapharochrus) minuta Fuchs, 1958 , allowed the proposed synonymy.

Specimens examined. PERU, Junin: Satipo, male, VIII.1940 (MNRJ). BRAZIL, Rondônia: Ouro Preto do Oeste, female, X.1986 ( O. Roppa, P. Magno & J. Becker) (MNRJ). Mato Grosso, Rosário Oeste, male, XI.1959 (A. Maller). (MNRJ). Goiás: Jataí, male, female, X.1972 (F. M. Oliveira) (MNRJ). Perolândia, female, XII. 1972 (F. M. Oliveira) (MNRJ). Minas Gerais: Belo Horizonte, female, X.1950 (A. Machado) (MNRJ). Sete Lagoas, male, 30.X.1970 (S. Fragoso & F. Lane) (MNRJ). São Paulo: Tatuí, female, 17.X.1969 (F. A. Matthiesen) (MNRJ). Paraná: Santa Mariana, female, 7.XI.1949 (Zellibor) (MNRJ). PARAGUAY, 2 males, 3 females, 1895 (Drake) (MNRJ). Itapuá: Hohenau, male, XII.1943 (MNRJ). ARGENTINA, Formosa: female (Mallo) (MNRJ). Tucumán: Estancias Burruyacu, female, II. 1935 (J. M. Bosq) (MNRJ).

Geographical distribution. Peru, Bolivia, Brazil (Rondônia, Mato Grosso, Goiás, Minas Gerais to Paraná), Paraguay, Argentina ( Formosa, Tucumán).