''Eustylus'' is a

neotropical The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeogra ...

genus of broad-nosed weevils in the subfamily

Entiminae The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as ''Entimus'', ''Otiorhynchus'', ''Phyllobius'', ''Sitona'', and ''Pachyrhynchus, Pachyrrhynchus''. In co ...

, tribe

Eustylini Eustylini is a primarily Neotropical realm, Neotropical weevil tribe in the subfamily Entiminae. Taxonomy The tribe Eustylini was named for the first time by Jean-Baptiste Henri Lacordaire in 1863, although, when first named, the tribe (Groupe ...

Taxonomy

''Eustylus'' was described for the first time by

Carl Johan Schönherr Carl Johan Schönherr (10 June 1772 – 28 March 1848) was a Swedish people, Swedish entomologist who revised the Taxonomy (biology), taxonomy of beetles, including weevils by examining all the descriptions of beetles since the time of Linnaeus. H ...

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 Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...

, with some species represented in the

Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...

List of species

''Eustylus'' contains 26 described species: # ''Eustylus aequus'' Marshall, 1916: 464:

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. # ''Eustylus bodkini'' Marshall, 1916: 456:

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

Guyana Guyana, officially the Co-operative Republic of Guyana, is a country on the northern coast of South America, part of the historic British West Indies. entry "Guyana" Georgetown, Guyana, Georgetown is the capital of Guyana and is also the co ...

Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...

. # ''Eustylus chiriquensis'' Champion, 1911: 294:

Panama Panama, officially the Republic of Panama, is a country in Latin America at the southern end of Central America, bordering South America. It is bordered by Costa Rica to the west, Colombia to the southeast, the Caribbean Sea to the north, and ...

. # ''Eustylus cinericius'' Champion, 1911: 296:

Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...

. # ''Eustylus ephippiatus'' Marshall, 1916: 458:

. # ''Eustylus funicularis'' Kirsch, 1874: 390:

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

. # ''Eustylus grypsatus'' Boheman, 1843: 27:

. # ''Eustylus hybridus'' Rosenschoeld, 1840: 200:

Guadeloupe Guadeloupe is an Overseas departments and regions of France, overseas department and region of France in the Caribbean. It consists of six inhabited islands—Basse-Terre Island, Basse-Terre, Grande-Terre, Guadeloupe, Grande-Terre, Marie-Galant ...

Saint Lucia Saint Lucia is an island country of the West Indies in the eastern Caribbean. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent (Saint Vincent and the Grenadines), Saint Vincent ...

. # ''Eustylus inclusus'' Marshall, 1916: 461:

. # ''Eustylus magdalenae'' Marshall, 1926: 536:

. # ''Eustylus obliquefasciatus'' Marshall, 1916: 455:

. # ''Eustylus puber'' Olivier, 1807: 367:

French Guiana French Guiana, or Guyane in French, is an Overseas departments and regions of France, overseas department and region of France located on the northern coast of South America in the Guianas and the West Indies. Bordered by Suriname to the west ...

Trinidad Trinidad is the larger, more populous island of the Republic of Trinidad and Tobago, the country. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is the southernmost island in ...

. # ''Eustylus quadrigibbus'' Champion, 1911: 292:

. # ''Eustylus ruptus'' Champion, 1911: 293:

Costa Rica Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime bo ...

. # ''Eustylus scapularis'' Marshall, 1916: 464:

. # ''Eustylus setipennis'' Champion, 1911: 292:

. # ''Eustylus sexguttatus'' Champion, 1911: 291:

. # ''Eustylus simplex'' Marshall, 1916: 460:

. # ''Eustylus simulatus'' Marshall, 1916: 459:

. # ''Eustylus sordidus'' Marshall, 1916: 460:

. # ''Eustylus striatus'' Boheman, 1843: 42:

. # ''Eustylus subapterus'' Champion, 1911: 295:

. # ''Eustylus subfasciatus'' Voss, 1932: 40:

. # ''Eustylus subguttatus'' Marshall, 1916: 462:

. # ''Eustylus subuittatus'' Marshall, 1916: 457:

. # ''Eustylus veraepacis'' Champion, 1911: 294:

References

Weevils Curculionidae genera {{Weevil-stub