Eustylus was described for the first time by Carl Johan Schönherr in 1843 (p.40). The Central American species were treated by Champion. Marshall 1916 offers a key to most species.
Description
One of the most salient features of Eustylus is its broad antennal scape, densely and uniformly covered by scales (see Fig. 7F in Girón 2020 ). Some species bear a spine on the inner margin of the profemur, which is unusual for eustylines. Most species are uniformly covered by brown scales forming different patterns; metallic green species are also found.
Distribution
The genus Eustylus ranges from Mexico to Paraguay, with some species represented in the Caribbean
12Wibmer, G. J.; O'Brien, C. W. (1986). "Annotated checklist of the weevils (Curculionidae sensu lato) of South America (Coleoptera: Curculionoidea)". Memoirs of the American Entomological Institute. 39: 1–563.
12O’Brien, C.W.; Wibmer, G.J. (1982). "Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionoidea)". Memoirs of the American Entomological Institute. 34: 1–382.
↑Voss, E. (1932). "Unbeschriebene neotropische Curculioniden. I. (35. Beitrag zur Kenntnis der Curculioniden)". Revista de entomologia. Rio de Janeiro. 2: 33–43.