''Sitona'' is a large

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

weevil Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small, less than in length, and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, ...

s in the family Curculionidae native to the

Nearctic The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface. The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America ...

and

Palaearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Si ...

regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the

mandibles In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower teeth in place. The mandible sits beneath the maxilla. It is the only movable bone ...

, by the absence of an oval scar on the mandibles, by short and broad rostrum with a deep, longitudinal, median groove, and by dense scales on the body.Donald E. Bright, Patrice Bouchard. ''The Insects and Arachnids of Canada'', Part 25: ''Coleoptera. Curculionidae. Entiminae. Weevils of Canada and Alaska''. Vol. 2. Ottawa, NRC Research Press, 2008. . P. 178-203. ''Sitona'' specialize on

legume A legume () is a plant in the family Fabaceae (or Leguminosae), or the fruit or seed of such a plant. When used as a dry grain, the seed is also called a pulse. Legumes are grown agriculturally, primarily for human consumption, for livestock fo ...

s, plants of the family Fabaceae. The larvae eat the

root nodule Root nodules are found on the roots of plants, primarily legumes, that form a symbiosis with nitrogen-fixing bacteria. Under nitrogen-limiting conditions, capable plants form a symbiotic relationship with a host-specific strain of bacteria know ...

sKorortyaev, B. A. and A. J. Velázquez de Castro González. (2011)
A new species of the weevil genus ''Sitona'' Germar (Coleoptera: Curculionidae) from Mt. Hermon in Israel.
''Proceedings of the Zoological Institute RAS'' 315(1) 85-88. and the adults eat the leaves. Several species of ''Sitona'' are important

agricultural pest A pest is any animal or plant harmful to humans or human concerns. The term is particularly used for creatures that damage crops, livestock, and forestry or cause a nuisance to people, especially in their homes. Humans have modified the environ ...

s of legumes, especially in its native regions and introduced populations in South Africa, Australia and New Zealand. Species include: *''

Sitona aliceae ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

''Velázquez de Castro, A. J., et al. (2011)
Sitonini (Curculionidae: Entiminae) of Israel.
''Israel Journal of Entomology'' 40 71-108. *''

Sitona aquilonius ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona bicolor ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona brucki ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona californius ''Sitona californius'' is a species of broad-nosed weevil The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as ''Entimus'', ''Otiorhynchus'', ''Phyllobiu ...

'' *''

Sitona concavirostris ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona crinitus ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona cylindricollis ''Sitona cylindricollis'', the sweetclover weevil, is a species of broad-nosed weevil The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as ''Entimus'', ' ...

'' *''

Sitona demoflysi ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona desertus ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *'' Sitona discoideus'' Gyllenhal *''

Sitona fairmairei ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' Allard, 1869 *''

Sitona flavescens ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona fronto ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the m ...

'' *''

Sitona hispidulus ''Sitona hispidulus'' is a species of weevil native to Europe and introduced to Asia and North America. References External linksImages representing ''Sitona ''at BOLD In typography, emphasis is the strengthening of words in a text wit ...

'' *'' Sitona lepidus'' Gyllenhal – clover root weevil *'' Sitona lineatus'' – pea leaf weevil *''

Sitona lineellus ''Sitona lineellus'', the alfalfa curculio, is a species of broad-nosed weevil in the beetle family Curculionidae. It is found in North America. Subspecies These two subspecies belong to the species ''Sitona lineellus'': * ''Sitona lineellus cr ...

'' *''

Sitona maroccanus ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the m ...

'' *'' Sitona planifrons'' *''

Sitona puncticollis ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *'' Sitona sulcifrons'' *''

Sitona syriacus ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona tanneri ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the man ...

'' *''

Sitona vittatus ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the mandi ...

'' *'' Sitona volkovitshi'' *''

Sitona wahrmani ''Sitona'' is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. ''Sitona'' is easily distinguished from related genera by flat, recumbent scales on the mand ...

References

Entiminae Curculionidae genera {{Entiminae-stub