Coelostoma is a genus of beetles belonging to the family Hydrophilidae.[1] The genus was first described by Brullé in 1835.[1] The genus has cosmopolitan distribution,[1] with 111 described species, representing one of the most diverse genera of Hydrophilidae.[2][3]

Coelostoma
Coelostoma vitalisi
Scientific classification
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Genus:
Coelostoma

Brullé, 1835
Diversity
About 111 species
Synonyms
  • Caelostoma Agassiz, 1846
  • Cyclonotum Dejean, 1833
  • Cyclonotum Erichson, 1837
  • Hammacoelostoma Mouchamps, 1958

Description

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Body rather convex, brown to black. Eyes are medium in size, and deeply excised internally. Antenna consists with 9 antennomeres, and loosely segmented antennal club. Mesoventrite consists with an arrow-head shaped median elevation. Metaventrite is longer than mesoventral elevation. There are strongly raised median portion in Metaventrite broadly projecting anteriorly which become abutted to mesoventral process. Elytra lacking serial punctures.[4]

Species

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References

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  1. ^ a b c "Coelostoma Brullé, 1835". www.gbif.org. Retrieved 20 February 2021.
  2. ^ "Review of the Chinese species of the genus Coelostoma Brullé, 1835 (Coleoptera: Hydrophilidae: Sphaeridiinae)". Zootaxa 3887 (3): 354–376. Retrieved 2021-07-30.
  3. ^ "Coelostoma Brulle 1835". www.gbif.org (in Spanish). Retrieved 2021-07-30.
  4. ^ Liu, Hsing-Che; Hu, Fang-Shuo; Fikáček, Martin (2020-03-11). "Review of the genus Coelostoma of Taiwan with description of a new species (Coleoptera: Hydrophilidae)" (PDF). Acta Entomologica Musei Nationalis Pragae. 60: 155–162. doi:10.37520/aemnp.2020.008. S2CID 216332820. Retrieved 2021-07-30.