Rhaebus (beetle)

Rhaebus (from the Greek: ῥαιβός curved) is a genus of metallic bean weevils in the subfamily Bruchinae, and the only member of the tribe Rhaebini.[2][3][4] It is restricted to the Palearctic region.[4]

Rhaebus
Rhaebus solskyi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Infraorder: Cucujiformia
Family: Chrysomelidae
Subfamily: Bruchinae
Tribe: Rhaebini
Blanchard, 1845[1]
Genus: Rhaebus
Fischer von Waldheim, 1824
Type species
Rhaebus gebleri
Fischer von Waldheim, 1824

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.[5]

Diet and life cycle

Rhaebus beetles feed exclusively on plants of the genus Nitraria, where their young also develop.[5][6][7]

Taxonomic history

The genus was first described in 1824 by Gotthelf Fischer von Waldheim in his book Entomographie de la Russie.[8] He described it with only one species, Rh. gebleri, making the genus monotypic.[5]

Species creation & synonymy

Species

Since a taxonomic review in August 2022, Rhaebus has three species:[6][9]

  • Rhaebus gebleri Fischer von Waldheim, 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
  1. Bouchard, Patrice; Bousquet, Yves; Davies, Anthony E.; Alonso-Zarazaga, Miguel A.; Lawrence, John F.; Lyal, Chris H. C.; Newton, Alfred F.; Reid, Chris A. M.; Schmitt, Michael; Ślipiński, S. Adam & Smith, Andrew B. T. (2011). "Family-group names in Coleoptera (Insecta)". ZooKeys (88): 1–972. doi:10.3897/zookeys.88.807. PMC 3088472. PMID 21594053.
  2. "Bruchinae". uk beetles. Retrieved 2022-09-15.
  3. "Tribe Rhaebini". iNaturalist. Retrieved 2022-09-15.
  4. 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.
  5. Kingsolver, John M. & Pfaffenberger, G. S. (1980). "Systematic relationship of the genus Rhaebus (Coleoptera, Bruchidae)". Proceedings of the Entomological Society of Washington. 82: 293–311. archive.org
  6. Bouchard, Patrice (2014-12-17). The Book of Beetles: A Life-Size Guide to Six Hundred of Nature's Gems. University of Chicago Press. ISBN 978-0-226-08289-9.
  7. Lopatin, Igor & Chikatunov, Vladimir (2000-07-31). "Rhaebus amnoni n. sp. – The first representative of the Central-Asian genus Rhaebus in Israel" (PDF). Mitteilungen des Internationalen Entomologischen Vereins. 25: 31–34 – via Zobodat.
  8. Fischer von Waldheim, Gotthelf (1824). Entomographia Imperii Russici. Auctoritate Societatis Cæsareæ Mosquensis Naturæ Scrutatorum: Cum XL tabulis æneis. 2 (in French). Semen.
  9. Legalov, Andrei A. (2022-08-12). "Review of the genus Rhaebus Fischer von Waldheim, 1824 (Coleoptera: Chrysomelidae: Bruchinae)". Ecologica Montenegrina. 55: 1–16. doi:10.37828/em.2022.55.1. ISSN 2336-9744. S2CID 251543798.
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