Syagrus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Infraorder: Cucujiformia
Family: Chrysomelidae
Subfamily: Eumolpinae
Tribe: Typophorini
Genus: Syagrus
Chapuis in Lacordaire, 1874[1]
Type species
Syagrus buqueti
(= Cryptocephalus calcaratus Fabricius, 1775)

Syagrus is a genus of leaf beetles in the subfamily Eumolpinae.[2] They are known from the mainland of Africa. They are often attracted by plants in the family Malvaceae;[3] Syagrus rugifrons and Syagrus calcaratus are pests of cotton. The larvae of Syagrus calcaratus attack the roots of the plant and cause it to wilt.[4]

Many species described from Madagascar were included in Syagrus by Jan Bechyně in the 1940s to 1960s. These species have been transferred to the related genus Pheloticus, restricting Syagrus to the mainland of Africa.[5][2][6] Many additional species of Syagrus described from mainland Africa have been transferred to other African Eumolpinae genera such as Afroeurydemus, Microsyagrus and Proliniscus.[5][7][6]

Species

Species of Syagrus include the following:[2][6]

  • Syagrus bodongi Weise, 1905 – "Rhodesia"
  • Syagrus calcaratus (Fabricius, 1775) – widely distributed across sub-Saharan Africa
  • Syagrus concoloricornis Pic, 1940[8] – South Africa: Pretoria
  • Syagrus fuscoaeneus Fairmaire, 1894 – "Senegal"
  • Syagrus inhumeralis Pic, 1936 – Angola: "Osi"
  • Syagrus interstitialis (Jacoby, 1904) – Angola, Zambia, Mozambique
  • Syagrus morio Harold, 1877[9] – central, eastern and southern Africa
  • Syagrus opacus Jacoby, 1900 – Angola, Zambia, Zimbabwe, South Africa
  • Syagrus ortobiensis Selman, 1963 – Chad, Sudan, Ethiopia, Somalia
  • Syagrus perpuncticollis (Burgeon, 1940) – DR Congo
  • Syagrus puncticollis (Harold, 1877)[9] – Guinea, Sierra Leone, Sudan, DR Congo, Malawi, Mozambique
  • Syagrus rufipennis Pic, 1940[8] – Tanzania: "Windi"
  • Syagrus rufobrunneus Lefèvre, 1890 – Zimbabwe, Mozambique, South Africa
  • Syagrus rugiceps Lefèvre, 1890 – Somalia, Mozambique, South Africa
  • Syagrus rugifrons Baly, 1878[10] – Tanzania, South Africa
  • Syagrus sehranus Aslam, 1968[11] – Algeria: Adrar des Ifoghas
  • Syagrus silfverbergi Selman, 1973[12] – South Sudan: Equatoria: Torit-Kapoeta
  • Syagrus strigaticeps (Lefèvre, 1891)[13] – "Afrique occidentale"
  • Syagrus tristis Jacoby, 1904 – Sudan, Congo, Mozambique, South Africa

References

  1. 1 2 Chapuis, F. (1874). "Tome dixième. Famille des phytophages". In Lacordaire, J.T.; Chapuis, F. (eds.). Histoire naturelle des Insectes. Genera des coléoptères. Vol. 10. Paris: Librairie Encyclopédique de Roret. pp. i–iv, 1–455.
  2. 1 2 3 "genus Syagrus". African Eumolpinae site (Coleoptera Chrysomelidae). Retrieved 20 March 2017.
  3. ↑ Jolivet, Pierre; Verma, Krishna (2008). "Eumolpinae – a widely distributed and much diversified subfamily of leaf beetles (Coleoptera, Chrysomelidae)". Terrestrial Arthropod Reviews. 1 (1): 3–37. doi:10.1163/187498308X345424. S2CID 85943158.
  4. ↑ Vaissayre, J.; Cauquil, M. (2000). Main Pests and Diseases of Cotton in Sub-Saharan Africa. Editions Quae. p. 10. ISBN 978-2-87614-416-3.
  5. 1 2 Selman, B. J. (1965). "A revision of the Nodini and a key to the genera of Eumolpidae of Africa (Coleoptera: Eumolpidae)" (PDF). Bulletin of the British Museum (Natural History) Entomology. 16 (3): 141–174. doi:10.5962/bhl.part.21864.
  6. 1 2 3 Zoia, S. (2023). "Considerations on the genus Syagrus Chapuis 1874 and the taxa ascribed to it (Coleoptera: Chrysomelidae: Eumolpinae)". Natural History Sciences. 10 (Supplement 1): 37–44. doi:10.4081/nhs.2023.691.
  7. ↑ Zoia, S. (2019). "Nomenclature changes in African Eumolpinae with reference to type specimens preserved in the Muséum national d'Histoire naturelle, Paris (Coleoptera: Chrysomelidae)". Annales de la Société Entomologique de France. Nouvelle Série. 55 (1): 61–86. doi:10.1080/00379271.2018.1556119. S2CID 155689938.
  8. 1 2 Pic, M. (1940). "Opuscula martialis". L'Echange, Revue Linnéenne, Moulins. Numéro spécial: 1–16.
  9. 1 2 Harold, E. von (1877). "Coleopterorum species novae". Mitteilungen der Münchener Entomologischen Vereins. 1: 97–111.
  10. ↑ Baly, J. S. (1878). "Description of New Species and Genera of Eumolpidæ" (PDF). Zoological Journal of the Linnean Society. 14 (75): 246–265. doi:10.1111/j.1096-3642.1878.tb01834.x.
  11. ↑ Aslam, N. A. (1968). "Nomenclatorial notes on Chrysomeloidea (Coleoptera)". Journal of Natural History. 2 (1): 127–129. doi:10.1080/00222936800770691.
  12. ↑ Selman, B. J. (1973). "Coleoptera from North-East Africa. Chrysomelidae: Eumolpinae. (Zoological contribution from the Finnish expeditions to the Sudan No. 34)". Notulae Entomologicae. 53 (4): 159–166.
  13. ↑ Lefèvre, E. (1891). "Descriptions d'espèces nouvelles de Clytrides et d'Eumolpides". Annales de la Société Entomologique de Belgique. 35: CCXLVIII–CCLXXIX.
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