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Aulacothorax

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(Redirected from Serraticollini) Genus of flea beetles

Aulacothorax
Aulacothorax copalinus, United States
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Superfamily: Chrysomeloidea
Family: Chrysomelidae
Subfamily: Galerucinae
Tribe: Serraticollini
White, 1942
Genus: Aulacothorax
Boheman, 1858
Type species
Aulacothorax exilis
Boheman, 1858
Synonyms
  • Orthaltica Crotch, 1873
  • Leptotrix Horn, 1889
  • Micrantipha Blackburn, 1896
  • Livolia Jacoby, 1903
  • Leptotrihaltica Heikertinger, 1925
  • Micrepitrix Laboissiere, 1933
  • Serraticollis White, 1942
  • Epithrella Medvedev, 1993
  • Livoliella Medvedev, 1997

Aulacothorax is a genus of leaf beetles in the family Chrysomelidae. There are currently 51 described species in Aulacothorax found worldwide, 40 of which are found in the Indomalayan realm. Historically considered a problematic member of the tribe Alticini (the flea beetles), the genus is now classified in its own tribe, Serraticollini.

History of research

The genus was originally created in 1858 for a single species described from Tahiti, Aulacothorax exilis, which was placed in Scydmaenidae (now considered a subfamily of Staphylinidae). Recently, the holotype of this species was rediscovered in the collections of the Swedish Museum of Natural History, and it was found to belong to the genus Orthaltica. Aulacothorax is the earliest available name for the genus, so the genus Orthaltica was formally placed in synonymy with it in 2017.

Historically, the genus Aulacothorax (or Orthaltica) was classified as a member of the subfamily Alticinae, later re-ranked as a tribe (Alticini) of the subfamily Galerucinae, based on the presence of enlarged femora in the hind legs. Later studies determined that these enlarged femora lack the metafemoral spring, an internal structure found in the hind leg femora of flea beetles that allows them to jump, and members of Aulacothorax are incapable of jumping. A phylogenetic study by Douglas et al. (2023) suggested that Aulacothorax should be separated from Alticini and classified within its own tribe, Serraticollini.

Selected species

References

  1. ^ Douglas, H.B.; Konstantinov, A.S.; Brunke, A.J.; Moseyko, A.G.; Chapados, J.T.; Eyres, J.; Richter, R.; Savard, K.; Sears, E.; Prathapan, K.D.; Ruan, Y.; Dettman, J.R. (2023). "Phylogeny of the flea beetles (Galerucinae: Alticini) and the position of Aulacothorax elucidated through anchored phylogenomics (Coleoptera: Chrysomelidae: Alticini)". Systematic Entomology. 48 (3): 361–386. Bibcode:2023SysEn..48..361D. doi:10.1111/syen.12582.
  2. "Orthaltica Crotch, 1873". www.zin.ru. Retrieved 2022-11-24.
  3. Bezděk, J.; Konstantinov, A.S. (2017). "Forgotten Aulacothorax Boheman, 1858, a Senior Synonym of Orthaltica Crotch, 1873 (Coleoptera: Chrysomelidae: Galerucinae: Alticini)". The Coleopterists Bulletin. 71 (4): 791–795. doi:10.1649/0010-065X-71.4.791. S2CID 91078620.
  4. Furth, D.G. (1988). "The jumping apparatus of flea beetles (Alticinae) — The metafemoral spring". In Jolivet, P.; Petitpierre, E.; Hsiao, T.H. (eds.). Biology of Chrysomelidae. Series Entomologica. Vol. 42. Dordrecht: Springer. doi:10.1007/978-94-009-3105-3_17. ISBN 978-94-009-3105-3.
Taxon identifiers
Aulacothorax
Orthaltica
Epithrella
Livoliella


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