''Rhaebus'' (from the Greek: ' curved) is a genus of metallic bean weevils in the subfamily

Bruchinae The bean weevils or seed beetles are a subfamily (Bruchinae) of beetles, now placed in the family Chrysomelidae, though they have historically been treated as a separate family. They are granivores, and typically infest various kinds of seeds or ...

, and the only member of the tribe Rhaebini.Vencl, Fredric & Leschen, Richard. (2014). Vencl FV & Leschen RAB (2014) Chapter 2.7.6. Criocerinae Lattreille 1807. pp. 237- 242 In: Leschen RAB & Beutel RG (eds). Handbook of Zoology, Coleoptera Volume 3: Morphology and Systematics (Phytophaga). Walter de Gruyter, Berlin.. It is restricted to the Palearctic region.

Appearance

''Rhaebus'' beetles are small, measuring between 3-5 millimetres in length, and are metallic in colour, which is rare in members if the Bruchinae subfamily. Their bodies are elongated in shape, and the antennae vary.

Diet and life cycle

''Rhaebus'' beetles feed exclusively on plants of the genus ''

Nitraria ''Nitraria'' is a genus of flowering plants in the family Nitrariaceae, native to Africa, Europe, Asia, Russia and Australia. There are about 9 species including: *''Nitraria billardierei'' DC., known as nitre bush or dillon bush *''Nitraria re ...

'', where their young also develop.

Taxonomic history

The genus was first described in 1824 by

Gotthelf Fischer von Waldheim Gotthelf Fischer von Waldheim (russian: Григо́рий Ива́нович Фи́шер фон Ва́льдгейм, translit=Grigórij Ivánovič Fíšer fon Vál'dgejm; 13 October 1771 – 18 October 1853) was a Saxon anatomist, entomol ...

in his book ''Entomographie de la Russie''. He described it with only one species, '' Rh. gebleri'', making the genus

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

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Species creation & synonymy

* 1845: ''Rhaebus fischeri'' mentioned by Jean T. Lacordaire, not described. * 1845: ''Rhaebus mannerheimi'' named and described by

Victor Motschulsky Victor Ivanovich Motschulsky (sometimes Victor von Motschulsky, russian: link=no, Виктор Иванович Мочульский, 11 April 1810, in St. Petersburg – 5 June 1871, in Simferopol) was a Russian entomologist mainly interested in ...

. * 1866: ''Rhaebus sagroides'' named and described b
Simon Martinovitch Solsky
* 1867: ''Rhaebus beckeri'' named and described by Christian W. L. E. Suffrain. The original description (in German) i
available from Wikimedia Commons
* 1869: ''Rh. beckeri'' and ''Rh. sagroides'' synonymized with ''Rh. mannerheimi'' by Victor Motchulsky. * 1879: ''Rhaebus solskyi'' proposed by

Ernst Gustav Kraatz Ernst Gustav Kraatz (13 March 1831 – 2 November 1909) was a German entomologist. He collected and described numerous beetles including Staphylinidae. Kraatz was born in Berlin on 13 March 1831. He studied law in the University of Heidelberg ...

. * 1939: ''Rhaebus komarovi'' named and described by Fyodor Lukyanovich. * 1973: ''Rhaebus lukjanovitschi'' named and described by

Margarita Ervandovna Ter-Minassian Margarita Ervandovna Ter-Minassian (russian: Маргарита Ервандовна Тер-Минасян; 16 May 19109 April 1995) was a Soviet entomologist and specialist for weevils (Curculionoidea) and seed beetles (Bruchinae). Her name is ...

. * 2000: ''Rhaebus amnoni'' named and described by

Igor Lopatin Igor may refer to: People * Igor (given name), an East Slavic given name and a list of people with the name * Mighty Igor (1931–2002), former American professional wrestler * Igor Volkoff, a professional wrestler from NWA All-Star Wrestling ...

and

Vladimir Chikatunov Vladimir may refer to: Names * Vladimir (name) for the Bulgarian, Croatian, Czech, Macedonian, Romanian, Russian, Serbian, Slovak and Slovenian spellings of a Slavic name * Uladzimir for the Belarusian version of the name * Volodymyr for the Ukr ...

, after Dr. Amnon Freidberg. * 2022: ''Rh. amnoni, Rh. komarovi,'' and ''Rh. mannerheimi'' synonymized with ''Rh. gebleri'' by Andrei Legalov.

Species

Since a taxonomic review in August 2022, ''Rhaebus'' has three species: * ''

Rhaebus gebleri ''Rhaebus gebleri'' is a species of bean weevil in the tribe Rhaebini. This species was described by Gotthelf Fischer von Waldheim in 1824, and is the type species of the genus '' Rhaebus''. Distribution ''Rhaebus gebleri'' is restricted to th ...

Fischer von Waldheim Gotthelf Fischer von Waldheim (russian: Григо́рий Ива́нович Фи́шер фон Ва́льдгейм, translit=Grigórij Ivánovič Fíšer fon Vál'dgejm; 13 October 1771 – 18 October 1853) was a Saxon anatomist, entomol ...

, 1824 (=''Rh. mannerheimi, Rh. amnoni, Rh. komarovi) -'' Found in Turkey, Israel, Southern Russia, Kazakhstan, Mongolia, Inner Mongolia (China), and Kyrgyzstan. * '' Rhaebus lukjanovitschi'' Ter-Minassian, 1973 - Found in Mongolia and Inner Mongolia (China) * '' Rhaebus solskyi'' Kraatz, 1879 - Found in Kazakhstan, Southern Russia, Mongolia, and China.

References

{{Taxonbar, from=Q11997728, from2=Q21447075 Bruchinae Chrysomelidae genera Taxa named by Gotthelf Fischer von Waldheim