Chryasus bicolor (Bondar) Prena, 2024

Prena, Jens, 2024, Consolidation of Aniops Casey, Psiona Casey, Preglyptobaris Bondar and Prospoliata Hustache with Chryasus Champion (Coleoptera, Curculionidae, Baridinae) and descriptions of new species, Zootaxa 5492 (1), pp. 1-24 : 4

1. Chryasus bicolor (Bondar) , new combination

( Figs. 5 , 26 )

Prospoliata bicolor Bondar (1946: 100 , description), Vaurie (1953: 8, lectotype designation).

Solanobaris bicolor : Silva et al. (2009: 49, genus name unavailable).

Prospoliata bicolorata Hustache (1950: 90 , description), Silva & Almeida-Cortez (2006: 35, biology), Santos et al. (2011: 65, biology); new synonymy.

Centrinus cuneatus : Hustache 1928 ms (nomen nudum).

Diagnosis. Among the large humped species, C. bicolor is the only one with a red prothorax and subtly vermiculate disc. It has the least separated procoxae (distinctly less than their own diameter) in this group.

Material examined. BRAZIL. Minas Gerais: Facenda dos Campos , Virginia, J. F. Zikán, male lectotype and paralectotype ( AMNH 2 ) ; Lambary , 30.10.1927, J. Halik ( USNM 1 ) ; Vila Monte Verde , 7.12.1964, J. Halik ( USNM 1 ) . Santa Catarina: Nova Teutônia , X/1971, F. Plaumann ( JPPC 1 ) . São Paulo: Campos do Jordão , 11.10.1959, J. Halik ( USNM 1 ) . Without precise locality: ( NHMB 1 , ZNS 1 ) .

Additional material. Brazil, Paraná, G. Hatschbach ( Bondar 1946); Rio de Janeiro ( Hustache 1950); Pernambuco, Refúgio Charles Darwin, Igarassu ( Almeida-Cortez et al. 2006).

Figures

FIGURES 5–10. Right hind legs showing gradient from clavate femur with minuscule, seta-bearing ventral denticles toward ventrally nearly straight femur with row of gradually enlarged teeth. 5, C. bicolor (type species of Preglyptobaris and subjective synonym of type species of Prosaldius); 6, C. cavernosus (type species of Chryasus); 7, C. persimilis (agreeing with Psiona); 8, 2.0 mm long species near C. carinulosus (type species of Psiona) and C. persimilis from Trinidad and Tobago; 9–10, 3.0 mm long species from São Paulo (Fig. 47) agreeing with Aniops, distal and proximal aspects. Scale bars 0.5 mm.

FIGURES 26–29. Chryasus, dorsal and lateral aspects of males. 26, C. bicolor, Nova Teutônia in Santa Catarina, Brazil; 27, C. bicuspis, Shushufindi in Sucumbíos, Ecuador; 28, C. pomponella, Santa Cruz in Junín, Perú; 29, C. nimius, Estac. Magsassay, P.N. Braulio Carrillo in Heredia, Costa Rica.