Acilius (beetle)

Acilius
Acilius sinensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Family:	Dytiscidae
Subfamily:	Dytiscinae
Tribe:	Aciliini
Genus:	Acilius Leach, 1817

Acilius is a holarctic genus of diving beetles in the family Dytiscidae and typically has a life cycle that is univoltine.[1][2]

Despite the prevalence of some species, one species, A. duvergeri, is listed as vulnerable on the IUCN Red List.[1]

Species

The genus Acilius contains the following 13 extant species in 2 subgenera:[3]
Subgenus Acilius:

• Acilius abbreviatus Aubé, 1838
• Acilius athabascae Larson, 1975
• Acilius canaliculatus (Nicolai, 1822)
• Acilius confusus Bergsten, 2006
• Acilius fraternus (Harris, 1828)
• Acilius japonicus Brinck, 1939
• Acilius kishii Nakane, 1963
• Acilius mediatus (Say, 1823)
• Acilius semisulcatus Aubé, 1838
• Acilius sinensis Peschet, 1915
• Acilius sulcatus (Linnaeus, 1758)
• Acilius sylvanus Hilsenhoff, 1975

Subgenus Homoelytrus

• Acilius duvergeri Gobert, 1874

Extinct species

These three extinct species are known only from fossils:[1]

• †Acilius florissantensis Wickham, 1909
• †Acilius oeningensis (Heer, 1847)
• †Acilius praesulcatus Lomnicki, 1894

References

1. Bergsten, Johannes; Miller, Kelly B. (2006). "Taxonomic revision of the Holarctic diving beetle genus Acilius Leach (Coleoptera: Dytiscidae)". Systematic Entomology. 31 (1): 145–197. Bibcode:2006SysEn..31..145B. doi:10.1111/j.1365-3113.2005.00309.x. ISSN 1365-3113. S2CID 54001536.
2. Miller, K.B.; J. Bergsten (2016). Diving Beetles of the World: Systematics and Biology of the Dytiscidae. JHU Press. pp. 131–132. ISBN 978-1-4214-2054-7.
3. Nilsson, Anders N.; Hájek, Jiří (2021). "A World Catalogue of the Family Dytiscidae or the Diving Beetles (Coleoptera, Adephaga)" (PDF) (1.I.2021 ed.).